mirror of
https://gitee.com/milvus-io/milvus.git
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2113 lines
70 KiB
Go
2113 lines
70 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package querycoord
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import (
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"context"
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"errors"
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"fmt"
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"sync"
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"time"
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"github.com/golang/protobuf/proto"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus/internal/log"
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"github.com/milvus-io/milvus/internal/proto/commonpb"
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"github.com/milvus-io/milvus/internal/proto/datapb"
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"github.com/milvus-io/milvus/internal/proto/milvuspb"
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"github.com/milvus-io/milvus/internal/proto/proxypb"
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"github.com/milvus-io/milvus/internal/proto/querypb"
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"github.com/milvus-io/milvus/internal/rootcoord"
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"github.com/milvus-io/milvus/internal/types"
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)
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const timeoutForRPC = 10 * time.Second
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const (
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triggerTaskPrefix = "queryCoord-triggerTask"
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activeTaskPrefix = "queryCoord-activeTask"
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taskInfoPrefix = "queryCoord-taskInfo"
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loadBalanceInfoPrefix = "queryCoord-loadBalanceInfo"
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)
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const (
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// MaxRetryNum is the maximum number of times that each task can be retried
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MaxRetryNum = 5
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// MaxSendSizeToEtcd is the default limit size of etcd messages that can be sent and received
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// MaxSendSizeToEtcd = 2097152
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// Limit size of every loadSegmentReq to 200k
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MaxSendSizeToEtcd = 200000
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)
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type taskState int
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const (
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taskUndo taskState = 0
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taskDoing taskState = 1
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taskDone taskState = 3
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taskExpired taskState = 4
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taskFailed taskState = 5
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)
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type task interface {
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traceCtx() context.Context
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getTaskID() UniqueID // return ReqId
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setTaskID(id UniqueID)
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msgBase() *commonpb.MsgBase
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msgType() commonpb.MsgType
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timestamp() Timestamp
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getTriggerCondition() querypb.TriggerCondition
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preExecute(ctx context.Context) error
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execute(ctx context.Context) error
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postExecute(ctx context.Context) error
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reschedule(ctx context.Context) ([]task, error)
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rollBack(ctx context.Context) []task
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waitToFinish() error
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notify(err error)
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taskPriority() querypb.TriggerCondition
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setParentTask(t task)
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getParentTask() task
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getChildTask() []task
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addChildTask(t task)
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removeChildTaskByID(taskID UniqueID)
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isValid() bool
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marshal() ([]byte, error)
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getState() taskState
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setState(state taskState)
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isRetryable() bool
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setResultInfo(err error)
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getResultInfo() *commonpb.Status
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updateTaskProcess()
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}
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type baseTask struct {
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condition
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ctx context.Context
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cancel context.CancelFunc
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result *commonpb.Status
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resultMu sync.RWMutex
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state taskState
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stateMu sync.RWMutex
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retryCount int
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retryMu sync.RWMutex
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//sync.RWMutex
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taskID UniqueID
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triggerCondition querypb.TriggerCondition
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parentTask task
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childTasks []task
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childTasksMu sync.RWMutex
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}
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func newBaseTask(ctx context.Context, triggerType querypb.TriggerCondition) *baseTask {
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childCtx, cancel := context.WithCancel(ctx)
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condition := newTaskCondition(childCtx)
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baseTask := &baseTask{
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ctx: childCtx,
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cancel: cancel,
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condition: condition,
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state: taskUndo,
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retryCount: MaxRetryNum,
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triggerCondition: triggerType,
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childTasks: []task{},
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}
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return baseTask
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}
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// getTaskID function returns the unique taskID of the trigger task
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func (bt *baseTask) getTaskID() UniqueID {
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return bt.taskID
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}
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// setTaskID function sets the trigger task with a unique id, which is allocated by tso
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func (bt *baseTask) setTaskID(id UniqueID) {
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bt.taskID = id
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}
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func (bt *baseTask) traceCtx() context.Context {
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return bt.ctx
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}
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func (bt *baseTask) getTriggerCondition() querypb.TriggerCondition {
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return bt.triggerCondition
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}
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func (bt *baseTask) taskPriority() querypb.TriggerCondition {
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return bt.triggerCondition
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}
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func (bt *baseTask) setParentTask(t task) {
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bt.parentTask = t
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}
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func (bt *baseTask) getParentTask() task {
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return bt.parentTask
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}
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// GetChildTask function returns all the child tasks of the trigger task
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// Child task may be loadSegmentTask, watchDmChannelTask or watchQueryChannelTask
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func (bt *baseTask) getChildTask() []task {
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bt.childTasksMu.RLock()
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defer bt.childTasksMu.RUnlock()
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return bt.childTasks
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}
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func (bt *baseTask) addChildTask(t task) {
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bt.childTasksMu.Lock()
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defer bt.childTasksMu.Unlock()
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bt.childTasks = append(bt.childTasks, t)
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}
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func (bt *baseTask) removeChildTaskByID(taskID UniqueID) {
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bt.childTasksMu.Lock()
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defer bt.childTasksMu.Unlock()
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result := make([]task, 0)
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for _, t := range bt.childTasks {
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if t.getTaskID() != taskID {
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result = append(result, t)
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}
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}
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bt.childTasks = result
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}
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func (bt *baseTask) clearChildTasks() {
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bt.childTasksMu.Lock()
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defer bt.childTasksMu.Unlock()
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bt.childTasks = []task{}
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}
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func (bt *baseTask) isValid() bool {
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return true
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}
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func (bt *baseTask) reschedule(ctx context.Context) ([]task, error) {
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return nil, nil
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}
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// State returns the state of task, such as taskUndo, taskDoing, taskDone, taskExpired, taskFailed
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func (bt *baseTask) getState() taskState {
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bt.stateMu.RLock()
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defer bt.stateMu.RUnlock()
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return bt.state
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}
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func (bt *baseTask) setState(state taskState) {
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bt.stateMu.Lock()
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defer bt.stateMu.Unlock()
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bt.state = state
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}
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func (bt *baseTask) isRetryable() bool {
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bt.retryMu.RLock()
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defer bt.retryMu.RUnlock()
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return bt.retryCount > 0
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}
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func (bt *baseTask) reduceRetryCount() {
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bt.retryMu.Lock()
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defer bt.retryMu.Unlock()
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bt.retryCount--
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}
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func (bt *baseTask) setResultInfo(err error) {
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bt.resultMu.Lock()
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defer bt.resultMu.Unlock()
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if bt.result == nil {
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bt.result = &commonpb.Status{}
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}
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if err == nil {
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bt.result.ErrorCode = commonpb.ErrorCode_Success
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bt.result.Reason = ""
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return
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}
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bt.result.ErrorCode = commonpb.ErrorCode_UnexpectedError
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bt.result.Reason = bt.result.Reason + ", " + err.Error()
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}
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func (bt *baseTask) getResultInfo() *commonpb.Status {
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bt.resultMu.RLock()
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defer bt.resultMu.RUnlock()
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return proto.Clone(bt.result).(*commonpb.Status)
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}
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func (bt *baseTask) updateTaskProcess() {
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// TODO::
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}
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func (bt *baseTask) rollBack(ctx context.Context) []task {
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//TODO::
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return nil
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}
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type loadCollectionTask struct {
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*baseTask
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*querypb.LoadCollectionRequest
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rootCoord types.RootCoord
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dataCoord types.DataCoord
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indexCoord types.IndexCoord
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cluster Cluster
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meta Meta
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}
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func (lct *loadCollectionTask) msgBase() *commonpb.MsgBase {
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return lct.Base
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}
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func (lct *loadCollectionTask) marshal() ([]byte, error) {
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return proto.Marshal(lct.LoadCollectionRequest)
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}
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func (lct *loadCollectionTask) msgType() commonpb.MsgType {
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return lct.Base.MsgType
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}
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func (lct *loadCollectionTask) timestamp() Timestamp {
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return lct.Base.Timestamp
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}
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func (lct *loadCollectionTask) updateTaskProcess() {
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collectionID := lct.CollectionID
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childTasks := lct.getChildTask()
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allDone := true
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for _, t := range childTasks {
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if t.getState() != taskDone {
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allDone = false
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}
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}
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if allDone {
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err := lct.meta.setLoadPercentage(collectionID, 0, 100, querypb.LoadType_loadCollection)
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if err != nil {
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log.Error("loadCollectionTask: set load percentage to meta's collectionInfo", zap.Int64("collectionID", collectionID))
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lct.setResultInfo(err)
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}
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}
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}
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func (lct *loadCollectionTask) preExecute(ctx context.Context) error {
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collectionID := lct.CollectionID
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schema := lct.Schema
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lct.setResultInfo(nil)
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log.Debug("start do loadCollectionTask",
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zap.Int64("msgID", lct.getTaskID()),
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zap.Int64("collectionID", collectionID),
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zap.Stringer("schema", schema))
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return nil
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}
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func (lct *loadCollectionTask) execute(ctx context.Context) error {
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defer lct.reduceRetryCount()
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collectionID := lct.CollectionID
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showPartitionRequest := &milvuspb.ShowPartitionsRequest{
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Base: &commonpb.MsgBase{
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MsgType: commonpb.MsgType_ShowPartitions,
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},
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CollectionID: collectionID,
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}
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ctx2, cancel2 := context.WithTimeout(ctx, timeoutForRPC)
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defer cancel2()
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showPartitionResponse, err := lct.rootCoord.ShowPartitions(ctx2, showPartitionRequest)
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if err != nil {
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log.Error("loadCollectionTask: showPartition failed", zap.Int64("collectionID", collectionID), zap.Int64("msgID", lct.Base.MsgID), zap.Error(err))
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lct.setResultInfo(err)
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return err
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}
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if showPartitionResponse.Status.ErrorCode != commonpb.ErrorCode_Success {
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err = errors.New(showPartitionResponse.Status.Reason)
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log.Error("loadCollectionTask: showPartition failed", zap.Int64("collectionID", collectionID), zap.Int64("msgID", lct.Base.MsgID), zap.Error(err))
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lct.setResultInfo(err)
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return err
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}
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toLoadPartitionIDs := showPartitionResponse.PartitionIDs
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log.Debug("loadCollectionTask: get collection's all partitionIDs", zap.Int64("collectionID", collectionID), zap.Int64s("partitionIDs", toLoadPartitionIDs), zap.Int64("msgID", lct.Base.MsgID))
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loadSegmentReqs := make([]*querypb.LoadSegmentsRequest, 0)
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watchDmChannelReqs := make([]*querypb.WatchDmChannelsRequest, 0)
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var deltaChannelInfos []*datapb.VchannelInfo
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var dmChannelInfos []*datapb.VchannelInfo
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for _, partitionID := range toLoadPartitionIDs {
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vChannelInfos, binlogs, err := getRecoveryInfo(lct.ctx, lct.dataCoord, collectionID, partitionID)
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if err != nil {
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log.Error("loadCollectionTask: getRecoveryInfo failed", zap.Int64("collectionID", collectionID), zap.Int64("partitionID", partitionID), zap.Int64("msgID", lct.Base.MsgID), zap.Error(err))
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lct.setResultInfo(err)
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return err
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}
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for _, segmentBingLog := range binlogs {
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segmentID := segmentBingLog.SegmentID
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segmentLoadInfo := &querypb.SegmentLoadInfo{
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SegmentID: segmentID,
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PartitionID: partitionID,
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CollectionID: collectionID,
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BinlogPaths: segmentBingLog.FieldBinlogs,
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NumOfRows: segmentBingLog.NumOfRows,
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Statslogs: segmentBingLog.Statslogs,
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Deltalogs: segmentBingLog.Deltalogs,
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}
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indexInfo, err := getIndexInfo(ctx, &querypb.SegmentInfo{
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CollectionID: collectionID,
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SegmentID: segmentID,
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}, lct.rootCoord, lct.indexCoord)
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if err == nil && indexInfo.enableIndex {
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segmentLoadInfo.EnableIndex = true
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segmentLoadInfo.IndexPathInfos = indexInfo.infos
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}
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msgBase := proto.Clone(lct.Base).(*commonpb.MsgBase)
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msgBase.MsgType = commonpb.MsgType_LoadSegments
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loadSegmentReq := &querypb.LoadSegmentsRequest{
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Base: msgBase,
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Infos: []*querypb.SegmentLoadInfo{segmentLoadInfo},
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Schema: lct.Schema,
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CollectionID: collectionID,
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}
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loadSegmentReqs = append(loadSegmentReqs, loadSegmentReq)
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}
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for _, info := range vChannelInfos {
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deltaChannelInfo, err := generateWatchDeltaChannelInfo(info)
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if err != nil {
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log.Error("loadCollectionTask: generateWatchDeltaChannelInfo failed", zap.Int64("collectionID", collectionID), zap.String("channelName", info.ChannelName), zap.Int64("msgID", lct.Base.MsgID), zap.Error(err))
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lct.setResultInfo(err)
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return err
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}
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deltaChannelInfos = append(deltaChannelInfos, deltaChannelInfo)
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dmChannelInfos = append(dmChannelInfos, info)
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}
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}
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mergedDeltaChannels := mergeWatchDeltaChannelInfo(deltaChannelInfos)
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// If meta is not updated here, deltaChannel meta will not be available when loadSegment reschedule
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err = lct.meta.setDeltaChannel(collectionID, mergedDeltaChannels)
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if err != nil {
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log.Error("loadCollectionTask: set delta channel info failed", zap.Int64("collectionID", collectionID), zap.Int64("msgID", lct.Base.MsgID), zap.Error(err))
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lct.setResultInfo(err)
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return err
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}
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//TODO:: queryNode receive dm message according partitionID cache
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//TODO:: queryNode add partitionID to cache if receive create partition message from dmChannel
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mergedDmChannel := mergeDmChannelInfo(dmChannelInfos)
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for _, info := range mergedDmChannel {
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msgBase := proto.Clone(lct.Base).(*commonpb.MsgBase)
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msgBase.MsgType = commonpb.MsgType_WatchDmChannels
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watchRequest := &querypb.WatchDmChannelsRequest{
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Base: msgBase,
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CollectionID: collectionID,
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//PartitionIDs: toLoadPartitionIDs,
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Infos: []*datapb.VchannelInfo{info},
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Schema: lct.Schema,
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}
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watchDmChannelReqs = append(watchDmChannelReqs, watchRequest)
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}
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internalTasks, err := assignInternalTask(ctx, lct, lct.meta, lct.cluster, loadSegmentReqs, watchDmChannelReqs, false, nil, nil)
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if err != nil {
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log.Error("loadCollectionTask: assign child task failed", zap.Int64("collectionID", collectionID), zap.Int64("msgID", lct.Base.MsgID), zap.Error(err))
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lct.setResultInfo(err)
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return err
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}
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for _, internalTask := range internalTasks {
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lct.addChildTask(internalTask)
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log.Debug("loadCollectionTask: add a childTask", zap.Int64("collectionID", collectionID), zap.Int32("task type", int32(internalTask.msgType())), zap.Int64("msgID", lct.Base.MsgID))
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}
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log.Debug("loadCollectionTask: assign child task done", zap.Int64("collectionID", collectionID), zap.Int64("msgID", lct.Base.MsgID))
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err = lct.meta.addCollection(collectionID, querypb.LoadType_loadCollection, lct.Schema)
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if err != nil {
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log.Error("loadCollectionTask: add collection to meta failed", zap.Int64("collectionID", collectionID), zap.Int64("msgID", lct.Base.MsgID), zap.Error(err))
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lct.setResultInfo(err)
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return err
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}
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err = lct.meta.addPartitions(collectionID, toLoadPartitionIDs)
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if err != nil {
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log.Error("loadCollectionTask: add partitions to meta failed", zap.Int64("collectionID", collectionID), zap.Int64s("partitionIDs", toLoadPartitionIDs), zap.Int64("msgID", lct.Base.MsgID), zap.Error(err))
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lct.setResultInfo(err)
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return err
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}
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log.Debug("LoadCollection execute done",
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zap.Int64("msgID", lct.getTaskID()),
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zap.Int64("collectionID", collectionID))
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return nil
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}
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func (lct *loadCollectionTask) postExecute(ctx context.Context) error {
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collectionID := lct.CollectionID
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if lct.getResultInfo().ErrorCode != commonpb.ErrorCode_Success {
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lct.clearChildTasks()
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err := lct.meta.releaseCollection(collectionID)
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if err != nil {
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log.Error("loadCollectionTask: occur error when release collection info from meta", zap.Int64("collectionID", collectionID), zap.Int64("msgID", lct.Base.MsgID), zap.Error(err))
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panic(err)
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}
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}
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log.Debug("loadCollectionTask postExecute done",
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zap.Int64("msgID", lct.getTaskID()),
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zap.Int64("collectionID", collectionID))
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return nil
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}
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func (lct *loadCollectionTask) rollBack(ctx context.Context) []task {
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onlineNodeIDs := lct.cluster.onlineNodeIDs()
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resultTasks := make([]task, 0)
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for _, nodeID := range onlineNodeIDs {
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//brute force rollBack, should optimize
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msgBase := proto.Clone(lct.Base).(*commonpb.MsgBase)
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msgBase.MsgType = commonpb.MsgType_ReleaseCollection
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req := &querypb.ReleaseCollectionRequest{
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Base: msgBase,
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DbID: lct.DbID,
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CollectionID: lct.CollectionID,
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NodeID: nodeID,
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}
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baseTask := newBaseTask(ctx, querypb.TriggerCondition_GrpcRequest)
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baseTask.setParentTask(lct)
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releaseCollectionTask := &releaseCollectionTask{
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baseTask: baseTask,
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ReleaseCollectionRequest: req,
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cluster: lct.cluster,
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|
}
|
|
resultTasks = append(resultTasks, releaseCollectionTask)
|
|
}
|
|
|
|
err := lct.meta.releaseCollection(lct.CollectionID)
|
|
if err != nil {
|
|
log.Error("releaseCollectionTask: release collectionInfo from meta failed", zap.Int64("collectionID", lct.CollectionID), zap.Int64("msgID", lct.Base.MsgID), zap.Error(err))
|
|
panic(err)
|
|
}
|
|
|
|
log.Debug("loadCollectionTask: generate rollBack task for loadCollectionTask", zap.Int64("collectionID", lct.CollectionID), zap.Int64("msgID", lct.Base.MsgID))
|
|
return resultTasks
|
|
}
|
|
|
|
// releaseCollectionTask will release all the data of this collection on query nodes
|
|
type releaseCollectionTask struct {
|
|
*baseTask
|
|
*querypb.ReleaseCollectionRequest
|
|
cluster Cluster
|
|
meta Meta
|
|
rootCoord types.RootCoord
|
|
}
|
|
|
|
func (rct *releaseCollectionTask) msgBase() *commonpb.MsgBase {
|
|
return rct.Base
|
|
}
|
|
|
|
func (rct *releaseCollectionTask) marshal() ([]byte, error) {
|
|
return proto.Marshal(rct.ReleaseCollectionRequest)
|
|
}
|
|
|
|
func (rct *releaseCollectionTask) msgType() commonpb.MsgType {
|
|
return rct.Base.MsgType
|
|
}
|
|
|
|
func (rct *releaseCollectionTask) timestamp() Timestamp {
|
|
return rct.Base.Timestamp
|
|
}
|
|
|
|
func (rct *releaseCollectionTask) preExecute(context.Context) error {
|
|
collectionID := rct.CollectionID
|
|
rct.setResultInfo(nil)
|
|
log.Debug("start do releaseCollectionTask",
|
|
zap.Int64("msgID", rct.getTaskID()),
|
|
zap.Int64("collectionID", collectionID))
|
|
return nil
|
|
}
|
|
|
|
func (rct *releaseCollectionTask) execute(ctx context.Context) error {
|
|
defer rct.reduceRetryCount()
|
|
collectionID := rct.CollectionID
|
|
|
|
// if nodeID ==0, it means that the release request has not been assigned to the specified query node
|
|
if rct.NodeID <= 0 {
|
|
releaseDQLMessageStreamReq := &proxypb.ReleaseDQLMessageStreamRequest{
|
|
Base: &commonpb.MsgBase{
|
|
MsgType: commonpb.MsgType_RemoveQueryChannels,
|
|
MsgID: rct.Base.MsgID,
|
|
Timestamp: rct.Base.Timestamp,
|
|
SourceID: rct.Base.SourceID,
|
|
},
|
|
DbID: rct.DbID,
|
|
CollectionID: rct.CollectionID,
|
|
}
|
|
ctx2, cancel2 := context.WithTimeout(rct.ctx, timeoutForRPC)
|
|
defer cancel2()
|
|
res, err := rct.rootCoord.ReleaseDQLMessageStream(ctx2, releaseDQLMessageStreamReq)
|
|
if err != nil {
|
|
log.Error("releaseCollectionTask: release collection end, releaseDQLMessageStream occur error", zap.Int64("collectionID", rct.CollectionID), zap.Int64("msgID", rct.Base.MsgID), zap.Error(err))
|
|
rct.setResultInfo(err)
|
|
return err
|
|
}
|
|
if res.ErrorCode != commonpb.ErrorCode_Success {
|
|
err = errors.New(res.Reason)
|
|
log.Error("releaseCollectionTask: release collection end, releaseDQLMessageStream occur error", zap.Int64("collectionID", rct.CollectionID), zap.Int64("msgID", rct.Base.MsgID), zap.Error(err))
|
|
rct.setResultInfo(err)
|
|
return err
|
|
}
|
|
|
|
onlineNodeIDs := rct.cluster.onlineNodeIDs()
|
|
for _, nodeID := range onlineNodeIDs {
|
|
req := proto.Clone(rct.ReleaseCollectionRequest).(*querypb.ReleaseCollectionRequest)
|
|
req.NodeID = nodeID
|
|
baseTask := newBaseTask(ctx, querypb.TriggerCondition_GrpcRequest)
|
|
baseTask.setParentTask(rct)
|
|
releaseCollectionTask := &releaseCollectionTask{
|
|
baseTask: baseTask,
|
|
ReleaseCollectionRequest: req,
|
|
cluster: rct.cluster,
|
|
}
|
|
|
|
rct.addChildTask(releaseCollectionTask)
|
|
log.Debug("releaseCollectionTask: add a releaseCollectionTask to releaseCollectionTask's childTask", zap.Any("task", releaseCollectionTask))
|
|
}
|
|
|
|
//TODO::xige-16 delete collection info from should wait all internal release task execute done
|
|
// if some query nodes release collection failed, the collection data will can't be removed from query node
|
|
err = rct.meta.releaseCollection(collectionID)
|
|
if err != nil {
|
|
log.Error("releaseCollectionTask: release collectionInfo from meta failed", zap.Int64("collectionID", collectionID), zap.Int64("msgID", rct.Base.MsgID), zap.Error(err))
|
|
rct.setResultInfo(err)
|
|
return err
|
|
}
|
|
} else {
|
|
err := rct.cluster.releaseCollection(ctx, rct.NodeID, rct.ReleaseCollectionRequest)
|
|
if err != nil {
|
|
log.Error("releaseCollectionTask: release collection end, node occur error", zap.Int64("collectionID", collectionID), zap.Int64("nodeID", rct.NodeID))
|
|
rct.setResultInfo(err)
|
|
return err
|
|
}
|
|
}
|
|
|
|
log.Debug("releaseCollectionTask Execute done",
|
|
zap.Int64("msgID", rct.getTaskID()),
|
|
zap.Int64("collectionID", collectionID),
|
|
zap.Int64("nodeID", rct.NodeID))
|
|
return nil
|
|
}
|
|
|
|
func (rct *releaseCollectionTask) postExecute(context.Context) error {
|
|
collectionID := rct.CollectionID
|
|
if rct.getResultInfo().ErrorCode != commonpb.ErrorCode_Success {
|
|
rct.clearChildTasks()
|
|
}
|
|
|
|
log.Debug("releaseCollectionTask postExecute done",
|
|
zap.Int64("msgID", rct.getTaskID()),
|
|
zap.Int64("collectionID", collectionID),
|
|
zap.Int64("nodeID", rct.NodeID))
|
|
return nil
|
|
}
|
|
|
|
func (rct *releaseCollectionTask) rollBack(ctx context.Context) []task {
|
|
//TODO::
|
|
//if taskID == 0, recovery meta
|
|
//if taskID != 0, recovery collection on queryNode
|
|
return nil
|
|
}
|
|
|
|
// loadPartitionTask will load all the data of this partition to query nodes
|
|
type loadPartitionTask struct {
|
|
*baseTask
|
|
*querypb.LoadPartitionsRequest
|
|
rootCoord types.RootCoord
|
|
dataCoord types.DataCoord
|
|
indexCoord types.IndexCoord
|
|
cluster Cluster
|
|
meta Meta
|
|
addCol bool
|
|
}
|
|
|
|
func (lpt *loadPartitionTask) msgBase() *commonpb.MsgBase {
|
|
return lpt.Base
|
|
}
|
|
|
|
func (lpt *loadPartitionTask) marshal() ([]byte, error) {
|
|
return proto.Marshal(lpt.LoadPartitionsRequest)
|
|
}
|
|
|
|
func (lpt *loadPartitionTask) msgType() commonpb.MsgType {
|
|
return lpt.Base.MsgType
|
|
}
|
|
|
|
func (lpt *loadPartitionTask) timestamp() Timestamp {
|
|
return lpt.Base.Timestamp
|
|
}
|
|
|
|
func (lpt *loadPartitionTask) updateTaskProcess() {
|
|
collectionID := lpt.CollectionID
|
|
partitionIDs := lpt.PartitionIDs
|
|
childTasks := lpt.getChildTask()
|
|
allDone := true
|
|
for _, t := range childTasks {
|
|
if t.getState() != taskDone {
|
|
allDone = false
|
|
}
|
|
}
|
|
if allDone {
|
|
for _, id := range partitionIDs {
|
|
err := lpt.meta.setLoadPercentage(collectionID, id, 100, querypb.LoadType_LoadPartition)
|
|
if err != nil {
|
|
log.Error("loadPartitionTask: set load percentage to meta's collectionInfo", zap.Int64("collectionID", collectionID), zap.Int64("partitionID", id))
|
|
lpt.setResultInfo(err)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func (lpt *loadPartitionTask) preExecute(context.Context) error {
|
|
collectionID := lpt.CollectionID
|
|
lpt.setResultInfo(nil)
|
|
log.Debug("start do loadPartitionTask",
|
|
zap.Int64("msgID", lpt.getTaskID()),
|
|
zap.Int64("collectionID", collectionID))
|
|
return nil
|
|
}
|
|
|
|
func (lpt *loadPartitionTask) execute(ctx context.Context) error {
|
|
defer lpt.reduceRetryCount()
|
|
collectionID := lpt.CollectionID
|
|
partitionIDs := lpt.PartitionIDs
|
|
|
|
var loadSegmentReqs []*querypb.LoadSegmentsRequest
|
|
var watchDmChannelReqs []*querypb.WatchDmChannelsRequest
|
|
var deltaChannelInfos []*datapb.VchannelInfo
|
|
var dmChannelInfos []*datapb.VchannelInfo
|
|
for _, partitionID := range partitionIDs {
|
|
vChannelInfos, binlogs, err := getRecoveryInfo(lpt.ctx, lpt.dataCoord, collectionID, partitionID)
|
|
if err != nil {
|
|
log.Error("loadPartitionTask: getRecoveryInfo failed", zap.Int64("collectionID", collectionID), zap.Int64("partitionID", partitionID), zap.Int64("msgID", lpt.Base.MsgID), zap.Error(err))
|
|
lpt.setResultInfo(err)
|
|
return err
|
|
}
|
|
|
|
for _, segmentBingLog := range binlogs {
|
|
segmentID := segmentBingLog.SegmentID
|
|
segmentLoadInfo := &querypb.SegmentLoadInfo{
|
|
SegmentID: segmentID,
|
|
PartitionID: partitionID,
|
|
CollectionID: collectionID,
|
|
BinlogPaths: segmentBingLog.FieldBinlogs,
|
|
NumOfRows: segmentBingLog.NumOfRows,
|
|
Statslogs: segmentBingLog.Statslogs,
|
|
Deltalogs: segmentBingLog.Deltalogs,
|
|
}
|
|
|
|
indexInfo, err := getIndexInfo(ctx, &querypb.SegmentInfo{
|
|
CollectionID: collectionID,
|
|
SegmentID: segmentID,
|
|
}, lpt.rootCoord, lpt.indexCoord)
|
|
|
|
if err == nil && indexInfo.enableIndex {
|
|
segmentLoadInfo.EnableIndex = true
|
|
segmentLoadInfo.IndexPathInfos = indexInfo.infos
|
|
}
|
|
|
|
msgBase := proto.Clone(lpt.Base).(*commonpb.MsgBase)
|
|
msgBase.MsgType = commonpb.MsgType_LoadSegments
|
|
loadSegmentReq := &querypb.LoadSegmentsRequest{
|
|
Base: msgBase,
|
|
Infos: []*querypb.SegmentLoadInfo{segmentLoadInfo},
|
|
Schema: lpt.Schema,
|
|
CollectionID: collectionID,
|
|
}
|
|
loadSegmentReqs = append(loadSegmentReqs, loadSegmentReq)
|
|
}
|
|
|
|
for _, info := range vChannelInfos {
|
|
deltaChannelInfo, err := generateWatchDeltaChannelInfo(info)
|
|
if err != nil {
|
|
log.Error("loadPartitionTask: generateWatchDeltaChannelInfo failed", zap.Int64("collectionID", collectionID), zap.String("channelName", info.ChannelName), zap.Int64("msgID", lpt.Base.MsgID), zap.Error(err))
|
|
lpt.setResultInfo(err)
|
|
return err
|
|
}
|
|
deltaChannelInfos = append(deltaChannelInfos, deltaChannelInfo)
|
|
dmChannelInfos = append(dmChannelInfos, info)
|
|
}
|
|
}
|
|
mergedDeltaChannels := mergeWatchDeltaChannelInfo(deltaChannelInfos)
|
|
// If meta is not updated here, deltaChannel meta will not be available when loadSegment reschedule
|
|
err := lpt.meta.setDeltaChannel(collectionID, mergedDeltaChannels)
|
|
if err != nil {
|
|
log.Error("loadPartitionTask: set delta channel info failed", zap.Int64("collectionID", collectionID), zap.Int64("msgID", lpt.Base.MsgID), zap.Error(err))
|
|
lpt.setResultInfo(err)
|
|
return err
|
|
}
|
|
|
|
mergedDmChannel := mergeDmChannelInfo(dmChannelInfos)
|
|
for _, info := range mergedDmChannel {
|
|
msgBase := proto.Clone(lpt.Base).(*commonpb.MsgBase)
|
|
msgBase.MsgType = commonpb.MsgType_WatchDmChannels
|
|
watchRequest := &querypb.WatchDmChannelsRequest{
|
|
Base: msgBase,
|
|
CollectionID: collectionID,
|
|
PartitionIDs: partitionIDs,
|
|
Infos: []*datapb.VchannelInfo{info},
|
|
Schema: lpt.Schema,
|
|
}
|
|
|
|
watchDmChannelReqs = append(watchDmChannelReqs, watchRequest)
|
|
}
|
|
|
|
internalTasks, err := assignInternalTask(ctx, lpt, lpt.meta, lpt.cluster, loadSegmentReqs, watchDmChannelReqs, false, nil, nil)
|
|
if err != nil {
|
|
log.Error("loadPartitionTask: assign child task failed", zap.Int64("collectionID", collectionID), zap.Int64s("partitionIDs", partitionIDs), zap.Int64("msgID", lpt.Base.MsgID), zap.Error(err))
|
|
lpt.setResultInfo(err)
|
|
return err
|
|
}
|
|
for _, internalTask := range internalTasks {
|
|
lpt.addChildTask(internalTask)
|
|
log.Debug("loadPartitionTask: add a childTask", zap.Int64("collectionID", collectionID), zap.Int32("task type", int32(internalTask.msgType())))
|
|
}
|
|
log.Debug("loadPartitionTask: assign child task done", zap.Int64("collectionID", collectionID), zap.Int64s("partitionIDs", partitionIDs), zap.Int64("msgID", lpt.Base.MsgID))
|
|
|
|
err = lpt.meta.addCollection(collectionID, querypb.LoadType_LoadPartition, lpt.Schema)
|
|
if err != nil {
|
|
log.Error("loadPartitionTask: add collection to meta failed", zap.Int64("collectionID", collectionID), zap.Int64("msgID", lpt.Base.MsgID), zap.Error(err))
|
|
lpt.setResultInfo(err)
|
|
return err
|
|
}
|
|
|
|
err = lpt.meta.addPartitions(collectionID, partitionIDs)
|
|
if err != nil {
|
|
log.Error("loadPartitionTask: add partition to meta failed", zap.Int64("collectionID", collectionID), zap.Int64s("partitionIDs", partitionIDs), zap.Int64("msgID", lpt.Base.MsgID), zap.Error(err))
|
|
lpt.setResultInfo(err)
|
|
return err
|
|
}
|
|
|
|
log.Debug("loadPartitionTask Execute done",
|
|
zap.Int64("msgID", lpt.getTaskID()),
|
|
zap.Int64("collectionID", collectionID),
|
|
zap.Int64s("partitionIDs", partitionIDs),
|
|
zap.Int64("msgID", lpt.Base.MsgID))
|
|
return nil
|
|
}
|
|
|
|
func (lpt *loadPartitionTask) postExecute(ctx context.Context) error {
|
|
collectionID := lpt.CollectionID
|
|
partitionIDs := lpt.PartitionIDs
|
|
if lpt.getResultInfo().ErrorCode != commonpb.ErrorCode_Success {
|
|
lpt.clearChildTasks()
|
|
err := lpt.meta.releaseCollection(collectionID)
|
|
if err != nil {
|
|
log.Error("loadPartitionTask: occur error when release collection info from meta", zap.Int64("collectionID", collectionID), zap.Int64("msgID", lpt.Base.MsgID), zap.Error(err))
|
|
panic(err)
|
|
}
|
|
}
|
|
|
|
log.Debug("loadPartitionTask postExecute done",
|
|
zap.Int64("msgID", lpt.getTaskID()),
|
|
zap.Int64("collectionID", collectionID),
|
|
zap.Int64s("partitionIDs", partitionIDs))
|
|
return nil
|
|
}
|
|
|
|
func (lpt *loadPartitionTask) rollBack(ctx context.Context) []task {
|
|
collectionID := lpt.CollectionID
|
|
resultTasks := make([]task, 0)
|
|
//brute force rollBack, should optimize
|
|
onlineNodeIDs := lpt.cluster.onlineNodeIDs()
|
|
for _, nodeID := range onlineNodeIDs {
|
|
req := &querypb.ReleaseCollectionRequest{
|
|
Base: &commonpb.MsgBase{
|
|
MsgType: commonpb.MsgType_ReleaseCollection,
|
|
MsgID: lpt.Base.MsgID,
|
|
Timestamp: lpt.Base.Timestamp,
|
|
SourceID: lpt.Base.SourceID,
|
|
},
|
|
DbID: lpt.DbID,
|
|
CollectionID: collectionID,
|
|
NodeID: nodeID,
|
|
}
|
|
baseTask := newBaseTask(ctx, querypb.TriggerCondition_GrpcRequest)
|
|
baseTask.setParentTask(lpt)
|
|
releaseCollectionTask := &releaseCollectionTask{
|
|
baseTask: baseTask,
|
|
ReleaseCollectionRequest: req,
|
|
cluster: lpt.cluster,
|
|
}
|
|
resultTasks = append(resultTasks, releaseCollectionTask)
|
|
}
|
|
|
|
err := lpt.meta.releaseCollection(collectionID)
|
|
if err != nil {
|
|
log.Error("loadPartitionTask: release collection info from meta failed", zap.Int64("collectionID", collectionID), zap.Int64("msgID", lpt.Base.MsgID), zap.Error(err))
|
|
panic(err)
|
|
}
|
|
log.Debug("loadPartitionTask: generate rollBack task for loadPartitionTask", zap.Int64("collectionID", collectionID), zap.Int64("msgID", lpt.Base.MsgID))
|
|
return resultTasks
|
|
}
|
|
|
|
// releasePartitionTask will release all the data of this partition on query nodes
|
|
type releasePartitionTask struct {
|
|
*baseTask
|
|
*querypb.ReleasePartitionsRequest
|
|
cluster Cluster
|
|
meta Meta
|
|
}
|
|
|
|
func (rpt *releasePartitionTask) msgBase() *commonpb.MsgBase {
|
|
return rpt.Base
|
|
}
|
|
|
|
func (rpt *releasePartitionTask) marshal() ([]byte, error) {
|
|
return proto.Marshal(rpt.ReleasePartitionsRequest)
|
|
}
|
|
|
|
func (rpt *releasePartitionTask) msgType() commonpb.MsgType {
|
|
return rpt.Base.MsgType
|
|
}
|
|
|
|
func (rpt *releasePartitionTask) timestamp() Timestamp {
|
|
return rpt.Base.Timestamp
|
|
}
|
|
|
|
func (rpt *releasePartitionTask) preExecute(context.Context) error {
|
|
collectionID := rpt.CollectionID
|
|
partitionIDs := rpt.PartitionIDs
|
|
rpt.setResultInfo(nil)
|
|
log.Debug("start do releasePartitionTask",
|
|
zap.Int64("msgID", rpt.getTaskID()),
|
|
zap.Int64("collectionID", collectionID),
|
|
zap.Int64s("partitionIDs", partitionIDs))
|
|
return nil
|
|
}
|
|
|
|
func (rpt *releasePartitionTask) execute(ctx context.Context) error {
|
|
defer rpt.reduceRetryCount()
|
|
collectionID := rpt.CollectionID
|
|
partitionIDs := rpt.PartitionIDs
|
|
|
|
// if nodeID ==0, it means that the release request has not been assigned to the specified query node
|
|
if rpt.NodeID <= 0 {
|
|
onlineNodeIDs := rpt.cluster.onlineNodeIDs()
|
|
for _, nodeID := range onlineNodeIDs {
|
|
req := proto.Clone(rpt.ReleasePartitionsRequest).(*querypb.ReleasePartitionsRequest)
|
|
req.NodeID = nodeID
|
|
baseTask := newBaseTask(ctx, querypb.TriggerCondition_GrpcRequest)
|
|
baseTask.setParentTask(rpt)
|
|
releasePartitionTask := &releasePartitionTask{
|
|
baseTask: baseTask,
|
|
ReleasePartitionsRequest: req,
|
|
cluster: rpt.cluster,
|
|
meta: rpt.meta,
|
|
}
|
|
rpt.addChildTask(releasePartitionTask)
|
|
log.Debug("releasePartitionTask: add a releasePartitionTask to releasePartitionTask's childTask", zap.Int64("collectionID", collectionID), zap.Int64("msgID", rpt.Base.MsgID))
|
|
}
|
|
|
|
//TODO::xige-16 delete partition info from meta should wait all internal release task execute done
|
|
// if some query nodes release partitions failed, the partition data will can't be removed from query node
|
|
err := rpt.meta.releasePartitions(collectionID, partitionIDs)
|
|
if err != nil {
|
|
log.Error("releasePartitionTask: release collectionInfo from meta failed", zap.Int64("collectionID", collectionID), zap.Int64("msgID", rpt.Base.MsgID), zap.Error(err))
|
|
rpt.setResultInfo(err)
|
|
return err
|
|
}
|
|
} else {
|
|
err := rpt.cluster.releasePartitions(ctx, rpt.NodeID, rpt.ReleasePartitionsRequest)
|
|
if err != nil {
|
|
log.Warn("ReleasePartitionsTask: release partition end, node occur error", zap.Int64("collectionID", collectionID), zap.String("nodeID", fmt.Sprintln(rpt.NodeID)))
|
|
rpt.setResultInfo(err)
|
|
return err
|
|
}
|
|
}
|
|
|
|
log.Debug("releasePartitionTask Execute done",
|
|
zap.Int64("msgID", rpt.getTaskID()),
|
|
zap.Int64("collectionID", collectionID),
|
|
zap.Int64s("partitionIDs", partitionIDs),
|
|
zap.Int64("nodeID", rpt.NodeID))
|
|
return nil
|
|
}
|
|
|
|
func (rpt *releasePartitionTask) postExecute(context.Context) error {
|
|
collectionID := rpt.CollectionID
|
|
partitionIDs := rpt.PartitionIDs
|
|
if rpt.getResultInfo().ErrorCode != commonpb.ErrorCode_Success {
|
|
rpt.clearChildTasks()
|
|
}
|
|
|
|
log.Debug("releasePartitionTask postExecute done",
|
|
zap.Int64("msgID", rpt.getTaskID()),
|
|
zap.Int64("collectionID", collectionID),
|
|
zap.Int64s("partitionIDs", partitionIDs),
|
|
zap.Int64("nodeID", rpt.NodeID))
|
|
return nil
|
|
}
|
|
|
|
func (rpt *releasePartitionTask) rollBack(ctx context.Context) []task {
|
|
//TODO::
|
|
//if taskID == 0, recovery meta
|
|
//if taskID != 0, recovery partition on queryNode
|
|
return nil
|
|
}
|
|
|
|
type loadSegmentTask struct {
|
|
*baseTask
|
|
*querypb.LoadSegmentsRequest
|
|
meta Meta
|
|
cluster Cluster
|
|
excludeNodeIDs []int64
|
|
}
|
|
|
|
func (lst *loadSegmentTask) msgBase() *commonpb.MsgBase {
|
|
return lst.Base
|
|
}
|
|
|
|
func (lst *loadSegmentTask) marshal() ([]byte, error) {
|
|
return proto.Marshal(lst.LoadSegmentsRequest)
|
|
}
|
|
|
|
func (lst *loadSegmentTask) isValid() bool {
|
|
online, err := lst.cluster.isOnline(lst.DstNodeID)
|
|
if err != nil {
|
|
return false
|
|
}
|
|
|
|
return lst.ctx != nil && online
|
|
}
|
|
|
|
func (lst *loadSegmentTask) msgType() commonpb.MsgType {
|
|
return lst.Base.MsgType
|
|
}
|
|
|
|
func (lst *loadSegmentTask) timestamp() Timestamp {
|
|
return lst.Base.Timestamp
|
|
}
|
|
|
|
func (lst *loadSegmentTask) updateTaskProcess() {
|
|
parentTask := lst.getParentTask()
|
|
if parentTask == nil {
|
|
log.Warn("loadSegmentTask: parentTask should not be nil")
|
|
return
|
|
}
|
|
parentTask.updateTaskProcess()
|
|
}
|
|
|
|
func (lst *loadSegmentTask) preExecute(context.Context) error {
|
|
segmentIDs := make([]UniqueID, 0)
|
|
for _, info := range lst.Infos {
|
|
segmentIDs = append(segmentIDs, info.SegmentID)
|
|
}
|
|
lst.setResultInfo(nil)
|
|
log.Debug("start do loadSegmentTask",
|
|
zap.Int64s("segmentIDs", segmentIDs),
|
|
zap.Int64("loaded nodeID", lst.DstNodeID),
|
|
zap.Int64("taskID", lst.getTaskID()))
|
|
return nil
|
|
}
|
|
|
|
func (lst *loadSegmentTask) execute(ctx context.Context) error {
|
|
defer lst.reduceRetryCount()
|
|
|
|
err := lst.cluster.loadSegments(ctx, lst.DstNodeID, lst.LoadSegmentsRequest)
|
|
if err != nil {
|
|
log.Warn("loadSegmentTask: loadSegment occur error", zap.Int64("taskID", lst.getTaskID()))
|
|
lst.setResultInfo(err)
|
|
return err
|
|
}
|
|
|
|
log.Debug("loadSegmentTask Execute done",
|
|
zap.Int64("taskID", lst.getTaskID()))
|
|
return nil
|
|
}
|
|
|
|
func (lst *loadSegmentTask) postExecute(context.Context) error {
|
|
log.Debug("loadSegmentTask postExecute done",
|
|
zap.Int64("taskID", lst.getTaskID()))
|
|
return nil
|
|
}
|
|
|
|
func (lst *loadSegmentTask) reschedule(ctx context.Context) ([]task, error) {
|
|
loadSegmentReqs := make([]*querypb.LoadSegmentsRequest, 0)
|
|
for _, info := range lst.Infos {
|
|
msgBase := proto.Clone(lst.Base).(*commonpb.MsgBase)
|
|
msgBase.MsgType = commonpb.MsgType_LoadSegments
|
|
req := &querypb.LoadSegmentsRequest{
|
|
Base: msgBase,
|
|
Infos: []*querypb.SegmentLoadInfo{info},
|
|
Schema: lst.Schema,
|
|
SourceNodeID: lst.SourceNodeID,
|
|
CollectionID: lst.CollectionID,
|
|
}
|
|
loadSegmentReqs = append(loadSegmentReqs, req)
|
|
}
|
|
if lst.excludeNodeIDs == nil {
|
|
lst.excludeNodeIDs = []int64{}
|
|
}
|
|
lst.excludeNodeIDs = append(lst.excludeNodeIDs, lst.DstNodeID)
|
|
|
|
wait2AssignTaskSuccess := false
|
|
if lst.getParentTask().getTriggerCondition() == querypb.TriggerCondition_NodeDown {
|
|
wait2AssignTaskSuccess = true
|
|
}
|
|
reScheduledTasks, err := assignInternalTask(ctx, lst.getParentTask(), lst.meta, lst.cluster, loadSegmentReqs, nil, wait2AssignTaskSuccess, lst.excludeNodeIDs, nil)
|
|
if err != nil {
|
|
log.Error("loadSegment reschedule failed", zap.Int64s("excludeNodes", lst.excludeNodeIDs), zap.Int64("taskID", lst.getTaskID()), zap.Error(err))
|
|
return nil, err
|
|
}
|
|
|
|
return reScheduledTasks, nil
|
|
}
|
|
|
|
type releaseSegmentTask struct {
|
|
*baseTask
|
|
*querypb.ReleaseSegmentsRequest
|
|
cluster Cluster
|
|
}
|
|
|
|
func (rst *releaseSegmentTask) msgBase() *commonpb.MsgBase {
|
|
return rst.Base
|
|
}
|
|
|
|
func (rst *releaseSegmentTask) marshal() ([]byte, error) {
|
|
return proto.Marshal(rst.ReleaseSegmentsRequest)
|
|
}
|
|
|
|
func (rst *releaseSegmentTask) isValid() bool {
|
|
online, err := rst.cluster.isOnline(rst.NodeID)
|
|
if err != nil {
|
|
return false
|
|
}
|
|
return rst.ctx != nil && online
|
|
}
|
|
|
|
func (rst *releaseSegmentTask) msgType() commonpb.MsgType {
|
|
return rst.Base.MsgType
|
|
}
|
|
|
|
func (rst *releaseSegmentTask) timestamp() Timestamp {
|
|
return rst.Base.Timestamp
|
|
}
|
|
|
|
func (rst *releaseSegmentTask) preExecute(context.Context) error {
|
|
segmentIDs := rst.SegmentIDs
|
|
rst.setResultInfo(nil)
|
|
log.Debug("start do releaseSegmentTask",
|
|
zap.Int64s("segmentIDs", segmentIDs),
|
|
zap.Int64("loaded nodeID", rst.NodeID),
|
|
zap.Int64("taskID", rst.getTaskID()))
|
|
return nil
|
|
}
|
|
|
|
func (rst *releaseSegmentTask) execute(ctx context.Context) error {
|
|
defer rst.reduceRetryCount()
|
|
|
|
err := rst.cluster.releaseSegments(rst.ctx, rst.NodeID, rst.ReleaseSegmentsRequest)
|
|
if err != nil {
|
|
log.Warn("releaseSegmentTask: releaseSegment occur error", zap.Int64("taskID", rst.getTaskID()))
|
|
rst.setResultInfo(err)
|
|
return err
|
|
}
|
|
|
|
log.Debug("releaseSegmentTask Execute done",
|
|
zap.Int64s("segmentIDs", rst.SegmentIDs),
|
|
zap.Int64("taskID", rst.getTaskID()))
|
|
return nil
|
|
}
|
|
|
|
func (rst *releaseSegmentTask) postExecute(context.Context) error {
|
|
segmentIDs := rst.SegmentIDs
|
|
log.Debug("releaseSegmentTask postExecute done",
|
|
zap.Int64s("segmentIDs", segmentIDs),
|
|
zap.Int64("taskID", rst.getTaskID()))
|
|
return nil
|
|
}
|
|
|
|
type watchDmChannelTask struct {
|
|
*baseTask
|
|
*querypb.WatchDmChannelsRequest
|
|
meta Meta
|
|
cluster Cluster
|
|
excludeNodeIDs []int64
|
|
}
|
|
|
|
func (wdt *watchDmChannelTask) msgBase() *commonpb.MsgBase {
|
|
return wdt.Base
|
|
}
|
|
|
|
func (wdt *watchDmChannelTask) marshal() ([]byte, error) {
|
|
return proto.Marshal(wdt.WatchDmChannelsRequest)
|
|
}
|
|
|
|
func (wdt *watchDmChannelTask) isValid() bool {
|
|
online, err := wdt.cluster.isOnline(wdt.NodeID)
|
|
if err != nil {
|
|
return false
|
|
}
|
|
return wdt.ctx != nil && online
|
|
}
|
|
|
|
func (wdt *watchDmChannelTask) msgType() commonpb.MsgType {
|
|
return wdt.Base.MsgType
|
|
}
|
|
|
|
func (wdt *watchDmChannelTask) timestamp() Timestamp {
|
|
return wdt.Base.Timestamp
|
|
}
|
|
|
|
func (wdt *watchDmChannelTask) updateTaskProcess() {
|
|
parentTask := wdt.getParentTask()
|
|
if parentTask == nil {
|
|
log.Warn("watchDmChannelTask: parentTask should not be nil")
|
|
return
|
|
}
|
|
parentTask.updateTaskProcess()
|
|
}
|
|
|
|
func (wdt *watchDmChannelTask) preExecute(context.Context) error {
|
|
channelInfos := wdt.Infos
|
|
channels := make([]string, 0)
|
|
for _, info := range channelInfos {
|
|
channels = append(channels, info.ChannelName)
|
|
}
|
|
wdt.setResultInfo(nil)
|
|
log.Debug("start do watchDmChannelTask",
|
|
zap.Strings("dmChannels", channels),
|
|
zap.Int64("loaded nodeID", wdt.NodeID),
|
|
zap.Int64("taskID", wdt.getTaskID()))
|
|
return nil
|
|
}
|
|
|
|
func (wdt *watchDmChannelTask) execute(ctx context.Context) error {
|
|
defer wdt.reduceRetryCount()
|
|
|
|
err := wdt.cluster.watchDmChannels(wdt.ctx, wdt.NodeID, wdt.WatchDmChannelsRequest)
|
|
if err != nil {
|
|
log.Warn("watchDmChannelTask: watchDmChannel occur error", zap.Int64("taskID", wdt.getTaskID()))
|
|
wdt.setResultInfo(err)
|
|
return err
|
|
}
|
|
|
|
log.Debug("watchDmChannelsTask Execute done",
|
|
zap.Int64("taskID", wdt.getTaskID()))
|
|
return nil
|
|
}
|
|
|
|
func (wdt *watchDmChannelTask) postExecute(context.Context) error {
|
|
log.Debug("watchDmChannelTask postExecute done",
|
|
zap.Int64("taskID", wdt.getTaskID()))
|
|
return nil
|
|
}
|
|
|
|
func (wdt *watchDmChannelTask) reschedule(ctx context.Context) ([]task, error) {
|
|
collectionID := wdt.CollectionID
|
|
watchDmChannelReqs := make([]*querypb.WatchDmChannelsRequest, 0)
|
|
for _, info := range wdt.Infos {
|
|
msgBase := proto.Clone(wdt.Base).(*commonpb.MsgBase)
|
|
msgBase.MsgType = commonpb.MsgType_WatchDmChannels
|
|
req := &querypb.WatchDmChannelsRequest{
|
|
Base: msgBase,
|
|
CollectionID: collectionID,
|
|
PartitionIDs: wdt.PartitionIDs,
|
|
Infos: []*datapb.VchannelInfo{info},
|
|
Schema: wdt.Schema,
|
|
ExcludeInfos: wdt.ExcludeInfos,
|
|
}
|
|
watchDmChannelReqs = append(watchDmChannelReqs, req)
|
|
}
|
|
|
|
if wdt.excludeNodeIDs == nil {
|
|
wdt.excludeNodeIDs = []int64{}
|
|
}
|
|
wdt.excludeNodeIDs = append(wdt.excludeNodeIDs, wdt.NodeID)
|
|
wait2AssignTaskSuccess := false
|
|
if wdt.getParentTask().getTriggerCondition() == querypb.TriggerCondition_NodeDown {
|
|
wait2AssignTaskSuccess = true
|
|
}
|
|
reScheduledTasks, err := assignInternalTask(ctx, wdt.parentTask, wdt.meta, wdt.cluster, nil, watchDmChannelReqs, wait2AssignTaskSuccess, wdt.excludeNodeIDs, nil)
|
|
if err != nil {
|
|
log.Error("watchDmChannel reschedule failed", zap.Int64("taskID", wdt.getTaskID()), zap.Int64s("excludeNodes", wdt.excludeNodeIDs), zap.Error(err))
|
|
return nil, err
|
|
}
|
|
|
|
return reScheduledTasks, nil
|
|
}
|
|
|
|
type watchDeltaChannelTask struct {
|
|
*baseTask
|
|
*querypb.WatchDeltaChannelsRequest
|
|
meta Meta
|
|
cluster Cluster
|
|
excludeNodeIDs []int64
|
|
}
|
|
|
|
func (wdt *watchDeltaChannelTask) msgBase() *commonpb.MsgBase {
|
|
return wdt.Base
|
|
}
|
|
|
|
func (wdt *watchDeltaChannelTask) marshal() ([]byte, error) {
|
|
return proto.Marshal(wdt.WatchDeltaChannelsRequest)
|
|
}
|
|
|
|
func (wdt *watchDeltaChannelTask) msgType() commonpb.MsgType {
|
|
return wdt.Base.MsgType
|
|
}
|
|
|
|
func (wdt *watchDeltaChannelTask) timestamp() Timestamp {
|
|
return wdt.Base.Timestamp
|
|
}
|
|
|
|
func (wdt *watchDeltaChannelTask) updateTaskProcess() {
|
|
parentTask := wdt.getParentTask()
|
|
if parentTask == nil {
|
|
log.Warn("watchDeltaChannel: parentTask should not be nil")
|
|
return
|
|
}
|
|
parentTask.updateTaskProcess()
|
|
}
|
|
|
|
func (wdt *watchDeltaChannelTask) preExecute(context.Context) error {
|
|
channelInfos := wdt.Infos
|
|
channels := make([]string, 0)
|
|
for _, info := range channelInfos {
|
|
channels = append(channels, info.ChannelName)
|
|
}
|
|
wdt.setResultInfo(nil)
|
|
log.Debug("start do watchDeltaChannelTask",
|
|
zap.Strings("deltaChannels", channels),
|
|
zap.Int64("loaded nodeID", wdt.NodeID),
|
|
zap.Int64("taskID", wdt.getTaskID()))
|
|
return nil
|
|
}
|
|
|
|
func (wdt *watchDeltaChannelTask) execute(ctx context.Context) error {
|
|
defer wdt.reduceRetryCount()
|
|
|
|
err := wdt.cluster.watchDeltaChannels(wdt.ctx, wdt.NodeID, wdt.WatchDeltaChannelsRequest)
|
|
if err != nil {
|
|
log.Warn("watchDeltaChannelTask: watchDeltaChannel occur error", zap.Int64("taskID", wdt.getTaskID()), zap.Error(err))
|
|
wdt.setResultInfo(err)
|
|
return err
|
|
}
|
|
|
|
log.Debug("watchDeltaChannelsTask Execute done",
|
|
zap.Int64("taskID", wdt.getTaskID()))
|
|
return nil
|
|
}
|
|
|
|
func (wdt *watchDeltaChannelTask) postExecute(context.Context) error {
|
|
log.Debug("watchDeltaChannelTask postExecute done",
|
|
zap.Int64("taskID", wdt.getTaskID()))
|
|
return nil
|
|
}
|
|
|
|
type watchQueryChannelTask struct {
|
|
*baseTask
|
|
*querypb.AddQueryChannelRequest
|
|
cluster Cluster
|
|
}
|
|
|
|
func (wqt *watchQueryChannelTask) msgBase() *commonpb.MsgBase {
|
|
return wqt.Base
|
|
}
|
|
|
|
func (wqt *watchQueryChannelTask) marshal() ([]byte, error) {
|
|
return proto.Marshal(wqt.AddQueryChannelRequest)
|
|
}
|
|
|
|
func (wqt *watchQueryChannelTask) isValid() bool {
|
|
online, err := wqt.cluster.isOnline(wqt.NodeID)
|
|
if err != nil {
|
|
return false
|
|
}
|
|
|
|
return wqt.ctx != nil && online
|
|
}
|
|
|
|
func (wqt *watchQueryChannelTask) msgType() commonpb.MsgType {
|
|
return wqt.Base.MsgType
|
|
}
|
|
|
|
func (wqt *watchQueryChannelTask) timestamp() Timestamp {
|
|
return wqt.Base.Timestamp
|
|
}
|
|
|
|
func (wqt *watchQueryChannelTask) updateTaskProcess() {
|
|
parentTask := wqt.getParentTask()
|
|
if parentTask == nil {
|
|
log.Warn("watchQueryChannelTask: parentTask should not be nil")
|
|
return
|
|
}
|
|
parentTask.updateTaskProcess()
|
|
}
|
|
|
|
func (wqt *watchQueryChannelTask) preExecute(context.Context) error {
|
|
wqt.setResultInfo(nil)
|
|
log.Debug("start do watchQueryChannelTask",
|
|
zap.Int64("collectionID", wqt.CollectionID),
|
|
zap.String("queryChannel", wqt.QueryChannel),
|
|
zap.String("queryResultChannel", wqt.QueryResultChannel),
|
|
zap.Int64("loaded nodeID", wqt.NodeID),
|
|
zap.Int64("taskID", wqt.getTaskID()))
|
|
return nil
|
|
}
|
|
|
|
func (wqt *watchQueryChannelTask) execute(ctx context.Context) error {
|
|
defer wqt.reduceRetryCount()
|
|
|
|
err := wqt.cluster.addQueryChannel(wqt.ctx, wqt.NodeID, wqt.AddQueryChannelRequest)
|
|
if err != nil {
|
|
log.Warn("watchQueryChannelTask: watchQueryChannel occur error", zap.Int64("taskID", wqt.getTaskID()), zap.Error(err))
|
|
wqt.setResultInfo(err)
|
|
return err
|
|
}
|
|
|
|
log.Debug("watchQueryChannelTask Execute done",
|
|
zap.Int64("collectionID", wqt.CollectionID),
|
|
zap.String("queryChannel", wqt.QueryChannel),
|
|
zap.String("queryResultChannel", wqt.QueryResultChannel),
|
|
zap.Int64("taskID", wqt.getTaskID()))
|
|
return nil
|
|
}
|
|
|
|
func (wqt *watchQueryChannelTask) postExecute(context.Context) error {
|
|
log.Debug("watchQueryChannelTask postExecute done",
|
|
zap.Int64("collectionID", wqt.CollectionID),
|
|
zap.String("queryChannel", wqt.QueryChannel),
|
|
zap.String("queryResultChannel", wqt.QueryResultChannel),
|
|
zap.Int64("taskID", wqt.getTaskID()))
|
|
return nil
|
|
}
|
|
|
|
//****************************handoff task********************************//
|
|
type handoffTask struct {
|
|
*baseTask
|
|
*querypb.HandoffSegmentsRequest
|
|
dataCoord types.DataCoord
|
|
cluster Cluster
|
|
meta Meta
|
|
}
|
|
|
|
func (ht *handoffTask) msgBase() *commonpb.MsgBase {
|
|
return ht.Base
|
|
}
|
|
|
|
func (ht *handoffTask) marshal() ([]byte, error) {
|
|
return proto.Marshal(ht.HandoffSegmentsRequest)
|
|
}
|
|
|
|
func (ht *handoffTask) msgType() commonpb.MsgType {
|
|
return ht.Base.MsgType
|
|
}
|
|
|
|
func (ht *handoffTask) timestamp() Timestamp {
|
|
return ht.Base.Timestamp
|
|
}
|
|
|
|
func (ht *handoffTask) preExecute(context.Context) error {
|
|
ht.setResultInfo(nil)
|
|
segmentIDs := make([]UniqueID, 0)
|
|
segmentInfos := ht.HandoffSegmentsRequest.SegmentInfos
|
|
for _, info := range segmentInfos {
|
|
segmentIDs = append(segmentIDs, info.SegmentID)
|
|
}
|
|
log.Debug("start do handoff segments task",
|
|
zap.Int64s("segmentIDs", segmentIDs))
|
|
return nil
|
|
}
|
|
|
|
func (ht *handoffTask) execute(ctx context.Context) error {
|
|
segmentInfos := ht.HandoffSegmentsRequest.SegmentInfos
|
|
for _, segmentInfo := range segmentInfos {
|
|
collectionID := segmentInfo.CollectionID
|
|
partitionID := segmentInfo.PartitionID
|
|
segmentID := segmentInfo.SegmentID
|
|
|
|
collectionInfo, err := ht.meta.getCollectionInfoByID(collectionID)
|
|
if err != nil {
|
|
log.Debug("handoffTask: collection has not been loaded into memory", zap.Int64("collectionID", collectionID), zap.Int64("segmentID", segmentID))
|
|
continue
|
|
}
|
|
|
|
if collectionInfo.LoadType == querypb.LoadType_loadCollection && ht.meta.hasReleasePartition(collectionID, partitionID) {
|
|
log.Debug("handoffTask: partition has not been released", zap.Int64("collectionID", collectionID), zap.Int64("partitionID", partitionID))
|
|
continue
|
|
}
|
|
|
|
partitionLoaded := false
|
|
for _, id := range collectionInfo.PartitionIDs {
|
|
if id == partitionID {
|
|
partitionLoaded = true
|
|
}
|
|
}
|
|
|
|
if collectionInfo.LoadType != querypb.LoadType_loadCollection && !partitionLoaded {
|
|
log.Debug("handoffTask: partition has not been loaded into memory", zap.Int64("collectionID", collectionID), zap.Int64("partitionID", partitionID), zap.Int64("segmentID", segmentID))
|
|
continue
|
|
}
|
|
|
|
// segment which is compacted from should exist in query node
|
|
for _, compactedSegID := range segmentInfo.CompactionFrom {
|
|
_, err = ht.meta.getSegmentInfoByID(compactedSegID)
|
|
if err != nil {
|
|
log.Error("handoffTask: compacted segment has not been loaded into memory", zap.Int64("collectionID", collectionID), zap.Int64("partitionID", partitionID), zap.Int64("segmentID", segmentID))
|
|
ht.setResultInfo(err)
|
|
return err
|
|
}
|
|
}
|
|
|
|
// segment which is compacted to should not exist in query node
|
|
_, err = ht.meta.getSegmentInfoByID(segmentID)
|
|
if err != nil {
|
|
dmChannelInfos, binlogs, err := getRecoveryInfo(ht.ctx, ht.dataCoord, collectionID, partitionID)
|
|
if err != nil {
|
|
log.Error("handoffTask: getRecoveryInfo failed", zap.Int64("collectionID", collectionID), zap.Int64("partitionID", partitionID), zap.Error(err))
|
|
ht.setResultInfo(err)
|
|
return err
|
|
}
|
|
|
|
findBinlog := false
|
|
var loadSegmentReq *querypb.LoadSegmentsRequest
|
|
var watchDeltaChannels []*datapb.VchannelInfo
|
|
for _, segmentBinlogs := range binlogs {
|
|
if segmentBinlogs.SegmentID == segmentID {
|
|
findBinlog = true
|
|
segmentLoadInfo := &querypb.SegmentLoadInfo{
|
|
SegmentID: segmentID,
|
|
PartitionID: partitionID,
|
|
CollectionID: collectionID,
|
|
BinlogPaths: segmentBinlogs.FieldBinlogs,
|
|
NumOfRows: segmentBinlogs.NumOfRows,
|
|
CompactionFrom: segmentInfo.CompactionFrom,
|
|
EnableIndex: segmentInfo.EnableIndex,
|
|
IndexPathInfos: segmentInfo.IndexPathInfos,
|
|
}
|
|
|
|
msgBase := proto.Clone(ht.Base).(*commonpb.MsgBase)
|
|
msgBase.MsgType = commonpb.MsgType_LoadSegments
|
|
loadSegmentReq = &querypb.LoadSegmentsRequest{
|
|
Base: msgBase,
|
|
Infos: []*querypb.SegmentLoadInfo{segmentLoadInfo},
|
|
Schema: collectionInfo.Schema,
|
|
CollectionID: collectionID,
|
|
}
|
|
}
|
|
}
|
|
for _, info := range dmChannelInfos {
|
|
deltaChannel, err := generateWatchDeltaChannelInfo(info)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
watchDeltaChannels = append(watchDeltaChannels, deltaChannel)
|
|
}
|
|
|
|
if !findBinlog {
|
|
err = fmt.Errorf("segmnet has not been flushed, segmentID is %d", segmentID)
|
|
ht.setResultInfo(err)
|
|
return err
|
|
}
|
|
mergedDeltaChannels := mergeWatchDeltaChannelInfo(watchDeltaChannels)
|
|
// If meta is not updated here, deltaChannel meta will not be available when loadSegment reschedule
|
|
err = ht.meta.setDeltaChannel(collectionID, mergedDeltaChannels)
|
|
if err != nil {
|
|
log.Error("handoffTask: set delta channel info to meta failed", zap.Int64("collectionID", collectionID), zap.Int64("segmentID", segmentID), zap.Error(err))
|
|
ht.setResultInfo(err)
|
|
return err
|
|
}
|
|
internalTasks, err := assignInternalTask(ctx, ht, ht.meta, ht.cluster, []*querypb.LoadSegmentsRequest{loadSegmentReq}, nil, true, nil, nil)
|
|
if err != nil {
|
|
log.Error("handoffTask: assign child task failed", zap.Int64("collectionID", collectionID), zap.Int64("segmentID", segmentID), zap.Error(err))
|
|
ht.setResultInfo(err)
|
|
return err
|
|
}
|
|
for _, internalTask := range internalTasks {
|
|
ht.addChildTask(internalTask)
|
|
log.Debug("handoffTask: add a childTask", zap.Int32("task type", int32(internalTask.msgType())), zap.Int64("segmentID", segmentID))
|
|
}
|
|
} else {
|
|
err = fmt.Errorf("sealed segment has been exist on query node, segmentID is %d", segmentID)
|
|
log.Error("handoffTask: handoff segment failed", zap.Int64("segmentID", segmentID), zap.Error(err))
|
|
ht.setResultInfo(err)
|
|
return err
|
|
}
|
|
}
|
|
|
|
log.Debug("handoffTask: assign child task done", zap.Any("segmentInfos", segmentInfos))
|
|
|
|
log.Debug("handoffTask Execute done",
|
|
zap.Int64("taskID", ht.getTaskID()))
|
|
return nil
|
|
}
|
|
|
|
func (ht *handoffTask) postExecute(context.Context) error {
|
|
if ht.getResultInfo().ErrorCode != commonpb.ErrorCode_Success {
|
|
ht.clearChildTasks()
|
|
}
|
|
|
|
log.Debug("handoffTask postExecute done",
|
|
zap.Int64("taskID", ht.getTaskID()))
|
|
|
|
return nil
|
|
}
|
|
|
|
func (ht *handoffTask) rollBack(ctx context.Context) []task {
|
|
resultTasks := make([]task, 0)
|
|
childTasks := ht.getChildTask()
|
|
for _, childTask := range childTasks {
|
|
if childTask.msgType() == commonpb.MsgType_LoadSegments {
|
|
// TODO:: add release segment to rollBack, no release does not affect correctness of query
|
|
}
|
|
}
|
|
|
|
return resultTasks
|
|
}
|
|
|
|
type loadBalanceTask struct {
|
|
*baseTask
|
|
*querypb.LoadBalanceRequest
|
|
rootCoord types.RootCoord
|
|
dataCoord types.DataCoord
|
|
indexCoord types.IndexCoord
|
|
cluster Cluster
|
|
meta Meta
|
|
}
|
|
|
|
func (lbt *loadBalanceTask) msgBase() *commonpb.MsgBase {
|
|
return lbt.Base
|
|
}
|
|
|
|
func (lbt *loadBalanceTask) marshal() ([]byte, error) {
|
|
return proto.Marshal(lbt.LoadBalanceRequest)
|
|
}
|
|
|
|
func (lbt *loadBalanceTask) msgType() commonpb.MsgType {
|
|
return lbt.Base.MsgType
|
|
}
|
|
|
|
func (lbt *loadBalanceTask) timestamp() Timestamp {
|
|
return lbt.Base.Timestamp
|
|
}
|
|
|
|
func (lbt *loadBalanceTask) preExecute(context.Context) error {
|
|
lbt.setResultInfo(nil)
|
|
log.Debug("start do loadBalanceTask",
|
|
zap.Int32("trigger type", int32(lbt.triggerCondition)),
|
|
zap.Int64s("sourceNodeIDs", lbt.SourceNodeIDs),
|
|
zap.Any("balanceReason", lbt.BalanceReason),
|
|
zap.Int64("taskID", lbt.getTaskID()))
|
|
return nil
|
|
}
|
|
|
|
func (lbt *loadBalanceTask) execute(ctx context.Context) error {
|
|
defer lbt.reduceRetryCount()
|
|
|
|
if lbt.triggerCondition == querypb.TriggerCondition_NodeDown {
|
|
segmentID2Info := make(map[UniqueID]*querypb.SegmentInfo)
|
|
dmChannel2WatchInfo := make(map[string]*querypb.DmChannelWatchInfo)
|
|
loadSegmentReqs := make([]*querypb.LoadSegmentsRequest, 0)
|
|
watchDmChannelReqs := make([]*querypb.WatchDmChannelsRequest, 0)
|
|
recoveredCollectionIDs := make(map[UniqueID]struct{})
|
|
for _, nodeID := range lbt.SourceNodeIDs {
|
|
segmentInfos := lbt.meta.getSegmentInfosByNode(nodeID)
|
|
for _, segmentInfo := range segmentInfos {
|
|
segmentID2Info[segmentInfo.SegmentID] = segmentInfo
|
|
recoveredCollectionIDs[segmentInfo.CollectionID] = struct{}{}
|
|
}
|
|
dmChannelWatchInfos := lbt.meta.getDmChannelInfosByNodeID(nodeID)
|
|
for _, watchInfo := range dmChannelWatchInfos {
|
|
dmChannel2WatchInfo[watchInfo.DmChannel] = watchInfo
|
|
recoveredCollectionIDs[watchInfo.CollectionID] = struct{}{}
|
|
}
|
|
}
|
|
|
|
for collectionID := range recoveredCollectionIDs {
|
|
collectionInfo, err := lbt.meta.getCollectionInfoByID(collectionID)
|
|
if err != nil {
|
|
log.Error("loadBalanceTask: get collectionInfo from meta failed", zap.Int64("collectionID", collectionID), zap.Error(err))
|
|
lbt.setResultInfo(err)
|
|
return err
|
|
}
|
|
schema := collectionInfo.Schema
|
|
var deltaChannelInfos []*datapb.VchannelInfo
|
|
var dmChannelInfos []*datapb.VchannelInfo
|
|
|
|
var toRecoverPartitionIDs []UniqueID
|
|
if collectionInfo.LoadType == querypb.LoadType_loadCollection {
|
|
showPartitionRequest := &milvuspb.ShowPartitionsRequest{
|
|
Base: &commonpb.MsgBase{
|
|
MsgType: commonpb.MsgType_ShowPartitions,
|
|
},
|
|
CollectionID: collectionID,
|
|
}
|
|
showPartitionResponse, err := lbt.rootCoord.ShowPartitions(ctx, showPartitionRequest)
|
|
if err != nil {
|
|
lbt.setResultInfo(err)
|
|
return err
|
|
}
|
|
//TODO:: queryNode receive dm message according partitionID cache
|
|
//TODO:: queryNode add partitionID to cache if receive create partition message from dmChannel
|
|
toRecoverPartitionIDs = showPartitionResponse.PartitionIDs
|
|
} else {
|
|
toRecoverPartitionIDs = collectionInfo.PartitionIDs
|
|
}
|
|
log.Debug("loadBalanceTask: get collection's all partitionIDs", zap.Int64("collectionID", collectionID), zap.Int64s("partitionIDs", toRecoverPartitionIDs))
|
|
|
|
for _, partitionID := range toRecoverPartitionIDs {
|
|
vChannelInfos, binlogs, err := getRecoveryInfo(lbt.ctx, lbt.dataCoord, collectionID, partitionID)
|
|
if err != nil {
|
|
log.Error("loadBalanceTask: getRecoveryInfo failed", zap.Int64("collectionID", collectionID), zap.Int64("partitionID", partitionID), zap.Error(err))
|
|
lbt.setResultInfo(err)
|
|
return err
|
|
}
|
|
|
|
for _, segmentBingLog := range binlogs {
|
|
segmentID := segmentBingLog.SegmentID
|
|
if _, ok := segmentID2Info[segmentID]; ok {
|
|
segmentLoadInfo := &querypb.SegmentLoadInfo{
|
|
SegmentID: segmentID,
|
|
PartitionID: partitionID,
|
|
CollectionID: collectionID,
|
|
BinlogPaths: segmentBingLog.FieldBinlogs,
|
|
NumOfRows: segmentBingLog.NumOfRows,
|
|
Statslogs: segmentBingLog.Statslogs,
|
|
Deltalogs: segmentBingLog.Deltalogs,
|
|
}
|
|
indexInfo, err := getIndexInfo(ctx, &querypb.SegmentInfo{
|
|
CollectionID: collectionID,
|
|
SegmentID: segmentID,
|
|
}, lbt.rootCoord, lbt.indexCoord)
|
|
|
|
if err == nil && indexInfo.enableIndex {
|
|
segmentLoadInfo.EnableIndex = true
|
|
segmentLoadInfo.IndexPathInfos = indexInfo.infos
|
|
}
|
|
|
|
msgBase := proto.Clone(lbt.Base).(*commonpb.MsgBase)
|
|
msgBase.MsgType = commonpb.MsgType_LoadSegments
|
|
loadSegmentReq := &querypb.LoadSegmentsRequest{
|
|
Base: msgBase,
|
|
Infos: []*querypb.SegmentLoadInfo{segmentLoadInfo},
|
|
Schema: schema,
|
|
CollectionID: collectionID,
|
|
}
|
|
|
|
loadSegmentReqs = append(loadSegmentReqs, loadSegmentReq)
|
|
}
|
|
}
|
|
|
|
for _, info := range vChannelInfos {
|
|
deltaChannel, err := generateWatchDeltaChannelInfo(info)
|
|
if err != nil {
|
|
log.Error("loadBalanceTask: generateWatchDeltaChannelInfo failed", zap.Int64("collectionID", collectionID), zap.String("channelName", info.ChannelName), zap.Error(err))
|
|
lbt.setResultInfo(err)
|
|
return err
|
|
}
|
|
deltaChannelInfos = append(deltaChannelInfos, deltaChannel)
|
|
dmChannelInfos = append(dmChannelInfos, info)
|
|
}
|
|
}
|
|
|
|
mergedDeltaChannel := mergeWatchDeltaChannelInfo(deltaChannelInfos)
|
|
// If meta is not updated here, deltaChannel meta will not be available when loadSegment reschedule
|
|
err = lbt.meta.setDeltaChannel(collectionID, mergedDeltaChannel)
|
|
if err != nil {
|
|
log.Error("loadBalanceTask: set delta channel info meta failed", zap.Int64("collectionID", collectionID), zap.Error(err))
|
|
lbt.setResultInfo(err)
|
|
return err
|
|
}
|
|
|
|
mergedDmChannel := mergeDmChannelInfo(dmChannelInfos)
|
|
for channelName, vChannelInfo := range mergedDmChannel {
|
|
if _, ok := dmChannel2WatchInfo[channelName]; ok {
|
|
msgBase := proto.Clone(lbt.Base).(*commonpb.MsgBase)
|
|
msgBase.MsgType = commonpb.MsgType_WatchDmChannels
|
|
watchRequest := &querypb.WatchDmChannelsRequest{
|
|
Base: msgBase,
|
|
CollectionID: collectionID,
|
|
Infos: []*datapb.VchannelInfo{vChannelInfo},
|
|
Schema: schema,
|
|
}
|
|
|
|
if collectionInfo.LoadType == querypb.LoadType_LoadPartition {
|
|
watchRequest.PartitionIDs = toRecoverPartitionIDs
|
|
}
|
|
|
|
watchDmChannelReqs = append(watchDmChannelReqs, watchRequest)
|
|
}
|
|
}
|
|
}
|
|
internalTasks, err := assignInternalTask(ctx, lbt, lbt.meta, lbt.cluster, loadSegmentReqs, watchDmChannelReqs, true, lbt.SourceNodeIDs, lbt.DstNodeIDs)
|
|
if err != nil {
|
|
log.Warn("loadBalanceTask: assign child task failed", zap.Int64s("sourceNodeIDs", lbt.SourceNodeIDs))
|
|
lbt.setResultInfo(err)
|
|
return err
|
|
}
|
|
for _, internalTask := range internalTasks {
|
|
lbt.addChildTask(internalTask)
|
|
log.Debug("loadBalanceTask: add a childTask", zap.Int32("task type", int32(internalTask.msgType())), zap.Any("task", internalTask))
|
|
}
|
|
log.Debug("loadBalanceTask: assign child task done", zap.Int64s("sourceNodeIDs", lbt.SourceNodeIDs))
|
|
}
|
|
|
|
if lbt.triggerCondition == querypb.TriggerCondition_LoadBalance {
|
|
if len(lbt.SourceNodeIDs) == 0 {
|
|
err := errors.New("loadBalanceTask: empty source Node list to balance")
|
|
log.Error(err.Error())
|
|
lbt.setResultInfo(err)
|
|
return err
|
|
}
|
|
|
|
balancedSegmentInfos := make(map[UniqueID]*querypb.SegmentInfo)
|
|
balancedSegmentIDs := make([]UniqueID, 0)
|
|
|
|
for _, nodeID := range lbt.SourceNodeIDs {
|
|
nodeExist := lbt.cluster.hasNode(nodeID)
|
|
if !nodeExist {
|
|
err := fmt.Errorf("loadBalanceTask: query node %d is not exist to balance", nodeID)
|
|
log.Error(err.Error())
|
|
lbt.setResultInfo(err)
|
|
return err
|
|
}
|
|
segmentInfos := lbt.meta.getSegmentInfosByNode(nodeID)
|
|
for _, info := range segmentInfos {
|
|
balancedSegmentInfos[info.SegmentID] = info
|
|
balancedSegmentIDs = append(balancedSegmentIDs, info.SegmentID)
|
|
}
|
|
}
|
|
|
|
// check balanced sealedSegmentIDs in request whether exist in query node
|
|
for _, segmentID := range lbt.SealedSegmentIDs {
|
|
if _, ok := balancedSegmentInfos[segmentID]; !ok {
|
|
err := fmt.Errorf("loadBalanceTask: unloaded segment %d", segmentID)
|
|
log.Warn(err.Error())
|
|
lbt.setResultInfo(err)
|
|
return err
|
|
}
|
|
}
|
|
|
|
if len(lbt.SealedSegmentIDs) != 0 {
|
|
balancedSegmentIDs = lbt.SealedSegmentIDs
|
|
}
|
|
|
|
col2PartitionIDs := make(map[UniqueID][]UniqueID)
|
|
par2Segments := make(map[UniqueID][]*querypb.SegmentInfo)
|
|
for _, segmentID := range balancedSegmentIDs {
|
|
info := balancedSegmentInfos[segmentID]
|
|
collectionID := info.CollectionID
|
|
partitionID := info.PartitionID
|
|
if _, ok := col2PartitionIDs[collectionID]; !ok {
|
|
col2PartitionIDs[collectionID] = make([]UniqueID, 0)
|
|
}
|
|
if _, ok := par2Segments[partitionID]; !ok {
|
|
col2PartitionIDs[collectionID] = append(col2PartitionIDs[collectionID], partitionID)
|
|
par2Segments[partitionID] = make([]*querypb.SegmentInfo, 0)
|
|
}
|
|
par2Segments[partitionID] = append(par2Segments[partitionID], info)
|
|
}
|
|
|
|
loadSegmentReqs := make([]*querypb.LoadSegmentsRequest, 0)
|
|
for collectionID, partitionIDs := range col2PartitionIDs {
|
|
var watchDeltaChannels []*datapb.VchannelInfo
|
|
collectionInfo, err := lbt.meta.getCollectionInfoByID(collectionID)
|
|
if err != nil {
|
|
log.Error("loadBalanceTask: can't find collectionID in meta", zap.Int64("collectionID", collectionID), zap.Error(err))
|
|
lbt.setResultInfo(err)
|
|
return err
|
|
}
|
|
for _, partitionID := range partitionIDs {
|
|
dmChannelInfos, binlogs, err := getRecoveryInfo(lbt.ctx, lbt.dataCoord, collectionID, partitionID)
|
|
if err != nil {
|
|
log.Error("loadBalanceTask: getRecoveryInfo failed", zap.Int64("collectionID", collectionID), zap.Int64("partitionID", partitionID), zap.Error(err))
|
|
lbt.setResultInfo(err)
|
|
return err
|
|
}
|
|
|
|
segmentID2Binlog := make(map[UniqueID]*datapb.SegmentBinlogs)
|
|
for _, binlog := range binlogs {
|
|
segmentID2Binlog[binlog.SegmentID] = binlog
|
|
}
|
|
|
|
for _, segmentInfo := range par2Segments[partitionID] {
|
|
segmentID := segmentInfo.SegmentID
|
|
if _, ok := segmentID2Binlog[segmentID]; !ok {
|
|
log.Warn("loadBalanceTask: can't find binlog of segment to balance, may be has been compacted", zap.Int64("segmentID", segmentID))
|
|
continue
|
|
}
|
|
segmentBingLog := segmentID2Binlog[segmentID]
|
|
segmentLoadInfo := &querypb.SegmentLoadInfo{
|
|
SegmentID: segmentID,
|
|
PartitionID: partitionID,
|
|
CollectionID: collectionID,
|
|
BinlogPaths: segmentBingLog.FieldBinlogs,
|
|
NumOfRows: segmentBingLog.NumOfRows,
|
|
Statslogs: segmentBingLog.Statslogs,
|
|
Deltalogs: segmentBingLog.Deltalogs,
|
|
}
|
|
|
|
indexInfo, err := getIndexInfo(ctx, &querypb.SegmentInfo{
|
|
CollectionID: collectionID,
|
|
SegmentID: segmentID,
|
|
}, lbt.rootCoord, lbt.indexCoord)
|
|
|
|
if err == nil && indexInfo.enableIndex {
|
|
segmentLoadInfo.EnableIndex = true
|
|
segmentLoadInfo.IndexPathInfos = indexInfo.infos
|
|
}
|
|
|
|
msgBase := proto.Clone(lbt.Base).(*commonpb.MsgBase)
|
|
msgBase.MsgType = commonpb.MsgType_LoadSegments
|
|
loadSegmentReq := &querypb.LoadSegmentsRequest{
|
|
Base: msgBase,
|
|
Infos: []*querypb.SegmentLoadInfo{segmentLoadInfo},
|
|
Schema: collectionInfo.Schema,
|
|
CollectionID: collectionID,
|
|
}
|
|
loadSegmentReqs = append(loadSegmentReqs, loadSegmentReq)
|
|
}
|
|
|
|
for _, info := range dmChannelInfos {
|
|
deltaChannel, err := generateWatchDeltaChannelInfo(info)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
watchDeltaChannels = append(watchDeltaChannels, deltaChannel)
|
|
}
|
|
}
|
|
mergedDeltaChannels := mergeWatchDeltaChannelInfo(watchDeltaChannels)
|
|
// If meta is not updated here, deltaChannel meta will not be available when loadSegment reschedule
|
|
err = lbt.meta.setDeltaChannel(collectionID, mergedDeltaChannels)
|
|
if err != nil {
|
|
log.Error("loadBalanceTask: set delta channel info to meta failed", zap.Error(err))
|
|
lbt.setResultInfo(err)
|
|
return err
|
|
}
|
|
}
|
|
internalTasks, err := assignInternalTask(ctx, lbt, lbt.meta, lbt.cluster, loadSegmentReqs, nil, false, lbt.SourceNodeIDs, lbt.DstNodeIDs)
|
|
if err != nil {
|
|
log.Error("loadBalanceTask: assign child task failed", zap.Any("balance request", lbt.LoadBalanceRequest))
|
|
lbt.setResultInfo(err)
|
|
return err
|
|
}
|
|
for _, internalTask := range internalTasks {
|
|
lbt.addChildTask(internalTask)
|
|
log.Debug("loadBalanceTask: add a childTask", zap.Int32("task type", int32(internalTask.msgType())), zap.Any("balance request", lbt.LoadBalanceRequest))
|
|
}
|
|
log.Debug("loadBalanceTask: assign child task done", zap.Any("balance request", lbt.LoadBalanceRequest))
|
|
}
|
|
|
|
log.Debug("loadBalanceTask Execute done",
|
|
zap.Int32("trigger type", int32(lbt.triggerCondition)),
|
|
zap.Int64s("sourceNodeIDs", lbt.SourceNodeIDs),
|
|
zap.Any("balanceReason", lbt.BalanceReason),
|
|
zap.Int64("taskID", lbt.getTaskID()))
|
|
return nil
|
|
}
|
|
|
|
func (lbt *loadBalanceTask) postExecute(context.Context) error {
|
|
if lbt.getResultInfo().ErrorCode != commonpb.ErrorCode_Success {
|
|
lbt.clearChildTasks()
|
|
}
|
|
if lbt.triggerCondition == querypb.TriggerCondition_NodeDown {
|
|
for _, id := range lbt.SourceNodeIDs {
|
|
err := lbt.cluster.removeNodeInfo(id)
|
|
if err != nil {
|
|
//TODO:: clear node info after removeNodeInfo failed
|
|
log.Error("loadBalanceTask: occur error when removing node info from cluster", zap.Int64("nodeID", id))
|
|
}
|
|
}
|
|
}
|
|
|
|
log.Debug("loadBalanceTask postExecute done",
|
|
zap.Int32("trigger type", int32(lbt.triggerCondition)),
|
|
zap.Int64s("sourceNodeIDs", lbt.SourceNodeIDs),
|
|
zap.Any("balanceReason", lbt.BalanceReason),
|
|
zap.Int64("taskID", lbt.getTaskID()))
|
|
return nil
|
|
}
|
|
|
|
func assignInternalTask(ctx context.Context,
|
|
parentTask task, meta Meta, cluster Cluster,
|
|
loadSegmentRequests []*querypb.LoadSegmentsRequest,
|
|
watchDmChannelRequests []*querypb.WatchDmChannelsRequest,
|
|
wait bool, excludeNodeIDs []int64, includeNodeIDs []int64) ([]task, error) {
|
|
log.Debug("assignInternalTask: start assign task to query node")
|
|
internalTasks := make([]task, 0)
|
|
err := cluster.allocateSegmentsToQueryNode(ctx, loadSegmentRequests, wait, excludeNodeIDs, includeNodeIDs)
|
|
if err != nil {
|
|
log.Error("assignInternalTask: assign segment to node failed", zap.Any("load segments requests", loadSegmentRequests))
|
|
return nil, err
|
|
}
|
|
log.Debug("assignInternalTask: assign segment to node success")
|
|
|
|
err = cluster.allocateChannelsToQueryNode(ctx, watchDmChannelRequests, wait, excludeNodeIDs)
|
|
if err != nil {
|
|
log.Error("assignInternalTask: assign dmChannel to node failed", zap.Any("watch dmChannel requests", watchDmChannelRequests))
|
|
return nil, err
|
|
}
|
|
log.Debug("assignInternalTask: assign dmChannel to node success")
|
|
|
|
mergedLoadSegmentReqs := make(map[UniqueID]map[int64][]*querypb.LoadSegmentsRequest)
|
|
sizeCounts := make(map[UniqueID]map[int64]int)
|
|
for _, req := range loadSegmentRequests {
|
|
nodeID := req.DstNodeID
|
|
collectionID := req.CollectionID
|
|
if _, ok := mergedLoadSegmentReqs[collectionID]; !ok {
|
|
mergedLoadSegmentReqs[collectionID] = make(map[int64][]*querypb.LoadSegmentsRequest)
|
|
sizeCounts[collectionID] = make(map[int64]int)
|
|
}
|
|
mergedLoadSegmentReqsPerCol := mergedLoadSegmentReqs[collectionID]
|
|
sizeCountsPerCol := sizeCounts[collectionID]
|
|
sizeOfReq := getSizeOfLoadSegmentReq(req)
|
|
if _, ok := mergedLoadSegmentReqsPerCol[nodeID]; !ok {
|
|
mergedLoadSegmentReqsPerCol[nodeID] = []*querypb.LoadSegmentsRequest{}
|
|
mergedLoadSegmentReqsPerCol[nodeID] = append(mergedLoadSegmentReqsPerCol[nodeID], req)
|
|
sizeCountsPerCol[nodeID] = sizeOfReq
|
|
} else {
|
|
if sizeCountsPerCol[nodeID]+sizeOfReq > MaxSendSizeToEtcd {
|
|
mergedLoadSegmentReqsPerCol[nodeID] = append(mergedLoadSegmentReqsPerCol[nodeID], req)
|
|
sizeCountsPerCol[nodeID] = sizeOfReq
|
|
} else {
|
|
lastReq := mergedLoadSegmentReqsPerCol[nodeID][len(mergedLoadSegmentReqsPerCol[nodeID])-1]
|
|
lastReq.Infos = append(lastReq.Infos, req.Infos...)
|
|
sizeCountsPerCol[nodeID] += sizeOfReq
|
|
}
|
|
}
|
|
}
|
|
|
|
for _, loadSegmentsReqsPerCol := range mergedLoadSegmentReqs {
|
|
for _, loadSegmentReqs := range loadSegmentsReqsPerCol {
|
|
for _, req := range loadSegmentReqs {
|
|
baseTask := newBaseTask(ctx, parentTask.getTriggerCondition())
|
|
baseTask.setParentTask(parentTask)
|
|
loadSegmentTask := &loadSegmentTask{
|
|
baseTask: baseTask,
|
|
LoadSegmentsRequest: req,
|
|
meta: meta,
|
|
cluster: cluster,
|
|
excludeNodeIDs: excludeNodeIDs,
|
|
}
|
|
internalTasks = append(internalTasks, loadSegmentTask)
|
|
}
|
|
}
|
|
}
|
|
|
|
for _, req := range watchDmChannelRequests {
|
|
baseTask := newBaseTask(ctx, parentTask.getTriggerCondition())
|
|
baseTask.setParentTask(parentTask)
|
|
watchDmChannelTask := &watchDmChannelTask{
|
|
baseTask: baseTask,
|
|
WatchDmChannelsRequest: req,
|
|
meta: meta,
|
|
cluster: cluster,
|
|
excludeNodeIDs: excludeNodeIDs,
|
|
}
|
|
internalTasks = append(internalTasks, watchDmChannelTask)
|
|
}
|
|
|
|
return internalTasks, nil
|
|
}
|
|
|
|
func getSizeOfLoadSegmentReq(req *querypb.LoadSegmentsRequest) int {
|
|
return proto.Size(req)
|
|
}
|
|
|
|
func generateWatchDeltaChannelInfo(info *datapb.VchannelInfo) (*datapb.VchannelInfo, error) {
|
|
deltaChannelName, err := rootcoord.ConvertChannelName(info.ChannelName, Params.QueryCoordCfg.DmlChannelPrefix, Params.QueryCoordCfg.DeltaChannelPrefix)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
deltaChannel := proto.Clone(info).(*datapb.VchannelInfo)
|
|
deltaChannel.ChannelName = deltaChannelName
|
|
deltaChannel.UnflushedSegments = nil
|
|
deltaChannel.FlushedSegments = nil
|
|
deltaChannel.DroppedSegments = nil
|
|
return deltaChannel, nil
|
|
}
|
|
|
|
func mergeWatchDeltaChannelInfo(infos []*datapb.VchannelInfo) []*datapb.VchannelInfo {
|
|
minPositions := make(map[string]int)
|
|
for index, info := range infos {
|
|
_, ok := minPositions[info.ChannelName]
|
|
if !ok {
|
|
minPositions[info.ChannelName] = index
|
|
}
|
|
minTimeStampIndex := minPositions[info.ChannelName]
|
|
if info.SeekPosition.GetTimestamp() < infos[minTimeStampIndex].SeekPosition.GetTimestamp() {
|
|
minPositions[info.ChannelName] = index
|
|
}
|
|
}
|
|
var result []*datapb.VchannelInfo
|
|
for _, index := range minPositions {
|
|
result = append(result, infos[index])
|
|
}
|
|
log.Debug("merge delta channels finished",
|
|
zap.Any("origin info length", len(infos)),
|
|
zap.Any("merged info length", len(result)),
|
|
)
|
|
return result
|
|
}
|
|
|
|
func getRecoveryInfo(ctx context.Context, dataCoord types.DataCoord, collectionID UniqueID, partitionID UniqueID) ([]*datapb.VchannelInfo, []*datapb.SegmentBinlogs, error) {
|
|
ctx2, cancel2 := context.WithTimeout(ctx, timeoutForRPC)
|
|
defer cancel2()
|
|
getRecoveryInfoRequest := &datapb.GetRecoveryInfoRequest{
|
|
Base: &commonpb.MsgBase{
|
|
MsgType: commonpb.MsgType_GetRecoveryInfo,
|
|
},
|
|
CollectionID: collectionID,
|
|
PartitionID: partitionID,
|
|
}
|
|
recoveryInfo, err := dataCoord.GetRecoveryInfo(ctx2, getRecoveryInfoRequest)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
|
|
if recoveryInfo.Status.ErrorCode != commonpb.ErrorCode_Success {
|
|
err = errors.New(recoveryInfo.Status.Reason)
|
|
return nil, nil, err
|
|
}
|
|
|
|
return recoveryInfo.Channels, recoveryInfo.Binlogs, nil
|
|
}
|
|
|
|
func mergeDmChannelInfo(infos []*datapb.VchannelInfo) map[string]*datapb.VchannelInfo {
|
|
minPositions := make(map[string]*datapb.VchannelInfo)
|
|
for _, info := range infos {
|
|
if _, ok := minPositions[info.ChannelName]; !ok {
|
|
minPositions[info.ChannelName] = info
|
|
continue
|
|
}
|
|
minPositionInfo := minPositions[info.ChannelName]
|
|
if info.SeekPosition.GetTimestamp() < minPositionInfo.SeekPosition.GetTimestamp() {
|
|
minPositionInfo.SeekPosition = info.SeekPosition
|
|
minPositionInfo.DroppedSegments = append(minPositionInfo.DroppedSegments, info.DroppedSegments...)
|
|
minPositionInfo.UnflushedSegments = append(minPositionInfo.UnflushedSegments, info.UnflushedSegments...)
|
|
minPositionInfo.FlushedSegments = append(minPositionInfo.FlushedSegments, info.FlushedSegments...)
|
|
}
|
|
}
|
|
|
|
return minPositions
|
|
}
|