mirror of
https://gitee.com/milvus-io/milvus.git
synced 2024-12-05 05:18:52 +08:00
1854 lines
55 KiB
Go
1854 lines
55 KiB
Go
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "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 distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and 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/internalpb"
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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/types"
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"github.com/milvus-io/milvus/internal/util/trace"
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"github.com/opentracing/opentracing-go"
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)
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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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)
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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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//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) 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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return bt.retryCount > 0
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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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//************************grpcTask***************************//
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// LoadCollectionTask will load all the data of this collection to query nodes
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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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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 func() {
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lct.retryCount--
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}()
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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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showPartitionResponse, err := lct.rootCoord.ShowPartitions(ctx, showPartitionRequest)
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if err != nil {
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lct.setResultInfo(err)
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return err
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}
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log.Debug("loadCollectionTask: get collection's all partitionIDs", zap.Int64("collectionID", collectionID), zap.Int64s("partitionIDs", showPartitionResponse.PartitionIDs))
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partitionIDs := showPartitionResponse.PartitionIDs
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toLoadPartitionIDs := make([]UniqueID, 0)
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hasCollection := lct.meta.hasCollection(collectionID)
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watchPartition := false
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if hasCollection {
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watchPartition = true
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loadType, _ := lct.meta.getLoadType(collectionID)
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if loadType == querypb.LoadType_loadCollection {
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for _, partitionID := range partitionIDs {
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hasReleasePartition := lct.meta.hasReleasePartition(collectionID, partitionID)
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if hasReleasePartition {
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toLoadPartitionIDs = append(toLoadPartitionIDs, partitionID)
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}
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}
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} else {
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for _, partitionID := range partitionIDs {
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hasPartition := lct.meta.hasPartition(collectionID, partitionID)
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if !hasPartition {
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toLoadPartitionIDs = append(toLoadPartitionIDs, partitionID)
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}
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}
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}
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} else {
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toLoadPartitionIDs = partitionIDs
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}
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log.Debug("loadCollectionTask: toLoadPartitionIDs", zap.Int64s("partitionIDs", toLoadPartitionIDs))
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lct.meta.addCollection(collectionID, lct.Schema)
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lct.meta.setLoadType(collectionID, querypb.LoadType_loadCollection)
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for _, id := range toLoadPartitionIDs {
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lct.meta.addPartition(collectionID, id)
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}
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loadSegmentReqs := make([]*querypb.LoadSegmentsRequest, 0)
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watchDmChannelReqs := make([]*querypb.WatchDmChannelsRequest, 0)
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channelsToWatch := make([]string, 0)
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segmentsToLoad := make([]UniqueID, 0)
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for _, partitionID := range toLoadPartitionIDs {
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getRecoveryInfoRequest := &datapb.GetRecoveryInfoRequest{
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Base: lct.Base,
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CollectionID: collectionID,
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PartitionID: partitionID,
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}
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recoveryInfo, err := lct.dataCoord.GetRecoveryInfo(ctx, getRecoveryInfoRequest)
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if err != nil {
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lct.setResultInfo(err)
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return err
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}
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for _, segmentBingLog := range recoveryInfo.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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}
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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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LoadCondition: querypb.TriggerCondition_grpcRequest,
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}
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segmentsToLoad = append(segmentsToLoad, segmentID)
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loadSegmentReqs = append(loadSegmentReqs, loadSegmentReq)
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}
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for _, info := range recoveryInfo.Channels {
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channel := info.ChannelName
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if !watchPartition {
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merged := false
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for index, channelName := range channelsToWatch {
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if channel == channelName {
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merged = true
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oldInfo := watchDmChannelReqs[index].Infos[0]
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newInfo := mergeVChannelInfo(oldInfo, info)
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watchDmChannelReqs[index].Infos = []*datapb.VchannelInfo{newInfo}
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break
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}
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}
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if !merged {
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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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Infos: []*datapb.VchannelInfo{info},
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Schema: lct.Schema,
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}
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channelsToWatch = append(channelsToWatch, channel)
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watchDmChannelReqs = append(watchDmChannelReqs, watchRequest)
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}
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} else {
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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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PartitionID: partitionID,
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Infos: []*datapb.VchannelInfo{info},
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Schema: lct.Schema,
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}
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channelsToWatch = append(channelsToWatch, channel)
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watchDmChannelReqs = append(watchDmChannelReqs, watchRequest)
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}
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}
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}
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err = assignInternalTask(ctx, collectionID, lct, lct.meta, lct.cluster, loadSegmentReqs, watchDmChannelReqs, false)
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if err != nil {
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log.Warn("loadCollectionTask: assign child task failed", zap.Int64("collectionID", collectionID))
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lct.setResultInfo(err)
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return err
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}
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log.Debug("loadCollectionTask: assign child task done", zap.Int64("collectionID", collectionID))
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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.result.ErrorCode != commonpb.ErrorCode_Success {
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lct.childTasks = []task{}
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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.Error(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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nodes, _ := lct.cluster.onlineNodes()
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resultTasks := make([]task, 0)
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//TODO::call rootCoord.ReleaseDQLMessageStream
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for nodeID := range nodes {
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//brute force rollBack, should optimize
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req := &querypb.ReleaseCollectionRequest{
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Base: &commonpb.MsgBase{
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MsgType: commonpb.MsgType_ReleaseCollection,
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MsgID: lct.Base.MsgID,
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Timestamp: lct.Base.Timestamp,
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SourceID: lct.Base.SourceID,
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},
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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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}
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resultTasks = append(resultTasks, releaseCollectionTask)
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}
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log.Debug("loadCollectionTask: rollBack loadCollectionTask", zap.Any("loadCollectionTask", lct), zap.Any("rollBack task", resultTasks))
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return resultTasks
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}
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|
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// ReleaseCollectionTask will release all the data of this collection on query nodes
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type ReleaseCollectionTask struct {
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*BaseTask
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*querypb.ReleaseCollectionRequest
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cluster Cluster
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meta Meta
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rootCoord types.RootCoord
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}
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func (rct *ReleaseCollectionTask) msgBase() *commonpb.MsgBase {
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return rct.Base
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}
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func (rct *ReleaseCollectionTask) marshal() ([]byte, error) {
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return proto.Marshal(rct.ReleaseCollectionRequest)
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}
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|
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func (rct *ReleaseCollectionTask) msgType() commonpb.MsgType {
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return rct.Base.MsgType
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}
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|
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func (rct *ReleaseCollectionTask) timestamp() Timestamp {
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return rct.Base.Timestamp
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}
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|
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func (rct *ReleaseCollectionTask) preExecute(context.Context) error {
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collectionID := rct.CollectionID
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rct.setResultInfo(nil)
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log.Debug("start do ReleaseCollectionTask",
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zap.Int64("msgID", rct.getTaskID()),
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zap.Int64("collectionID", collectionID))
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return nil
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}
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|
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func (rct *ReleaseCollectionTask) execute(ctx context.Context) error {
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defer func() {
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rct.retryCount--
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}()
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collectionID := rct.CollectionID
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|
|
// if nodeID ==0, it means that the release request has not been assigned to the specified query node
|
|
if rct.NodeID <= 0 {
|
|
rct.meta.releaseCollection(collectionID)
|
|
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,
|
|
}
|
|
res, err := rct.rootCoord.ReleaseDQLMessageStream(rct.ctx, releaseDQLMessageStreamReq)
|
|
if res.ErrorCode != commonpb.ErrorCode_Success || err != nil {
|
|
log.Warn("ReleaseCollectionTask: release collection end, releaseDQLMessageStream occur error", zap.Int64("collectionID", rct.CollectionID))
|
|
err = errors.New("rootCoord releaseDQLMessageStream failed")
|
|
rct.setResultInfo(err)
|
|
return err
|
|
}
|
|
|
|
nodes, err := rct.cluster.onlineNodes()
|
|
if err != nil {
|
|
log.Debug(err.Error())
|
|
}
|
|
for nodeID := range nodes {
|
|
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))
|
|
}
|
|
} else {
|
|
err := rct.cluster.releaseCollection(ctx, rct.NodeID, rct.ReleaseCollectionRequest)
|
|
if err != nil {
|
|
log.Warn("ReleaseCollectionTask: release collection end, node occur error", 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.result.ErrorCode != commonpb.ErrorCode_Success {
|
|
rct.childTasks = []task{}
|
|
}
|
|
|
|
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
|
|
dataCoord types.DataCoord
|
|
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 func() {
|
|
lpt.retryCount--
|
|
}()
|
|
collectionID := lpt.CollectionID
|
|
partitionIDs := lpt.PartitionIDs
|
|
|
|
if !lpt.meta.hasCollection(collectionID) {
|
|
lpt.meta.addCollection(collectionID, lpt.Schema)
|
|
lpt.addCol = true
|
|
}
|
|
for _, id := range partitionIDs {
|
|
lpt.meta.addPartition(collectionID, id)
|
|
}
|
|
|
|
segmentsToLoad := make([]UniqueID, 0)
|
|
loadSegmentReqs := make([]*querypb.LoadSegmentsRequest, 0)
|
|
channelsToWatch := make([]string, 0)
|
|
watchDmReqs := make([]*querypb.WatchDmChannelsRequest, 0)
|
|
for _, partitionID := range partitionIDs {
|
|
getRecoveryInfoRequest := &datapb.GetRecoveryInfoRequest{
|
|
Base: lpt.Base,
|
|
CollectionID: collectionID,
|
|
PartitionID: partitionID,
|
|
}
|
|
recoveryInfo, err := lpt.dataCoord.GetRecoveryInfo(ctx, getRecoveryInfoRequest)
|
|
if err != nil {
|
|
lpt.setResultInfo(err)
|
|
return err
|
|
}
|
|
|
|
for _, segmentBingLog := range recoveryInfo.Binlogs {
|
|
segmentID := segmentBingLog.SegmentID
|
|
segmentLoadInfo := &querypb.SegmentLoadInfo{
|
|
SegmentID: segmentID,
|
|
PartitionID: partitionID,
|
|
CollectionID: collectionID,
|
|
BinlogPaths: segmentBingLog.FieldBinlogs,
|
|
NumOfRows: segmentBingLog.NumOfRows,
|
|
}
|
|
|
|
msgBase := proto.Clone(lpt.Base).(*commonpb.MsgBase)
|
|
msgBase.MsgType = commonpb.MsgType_LoadSegments
|
|
loadSegmentReq := &querypb.LoadSegmentsRequest{
|
|
Base: msgBase,
|
|
Infos: []*querypb.SegmentLoadInfo{segmentLoadInfo},
|
|
Schema: lpt.Schema,
|
|
LoadCondition: querypb.TriggerCondition_grpcRequest,
|
|
}
|
|
segmentsToLoad = append(segmentsToLoad, segmentID)
|
|
loadSegmentReqs = append(loadSegmentReqs, loadSegmentReq)
|
|
}
|
|
|
|
for _, info := range recoveryInfo.Channels {
|
|
channel := info.ChannelName
|
|
msgBase := proto.Clone(lpt.Base).(*commonpb.MsgBase)
|
|
msgBase.MsgType = commonpb.MsgType_WatchDmChannels
|
|
watchDmRequest := &querypb.WatchDmChannelsRequest{
|
|
Base: msgBase,
|
|
CollectionID: collectionID,
|
|
PartitionID: partitionID,
|
|
Infos: []*datapb.VchannelInfo{info},
|
|
Schema: lpt.Schema,
|
|
}
|
|
channelsToWatch = append(channelsToWatch, channel)
|
|
watchDmReqs = append(watchDmReqs, watchDmRequest)
|
|
log.Debug("LoadPartitionTask: set watchDmChannelsRequests", zap.Any("request", watchDmRequest), zap.Int64("collectionID", collectionID))
|
|
}
|
|
}
|
|
err := assignInternalTask(ctx, collectionID, lpt, lpt.meta, lpt.cluster, loadSegmentReqs, watchDmReqs, false)
|
|
if err != nil {
|
|
log.Warn("LoadPartitionTask: assign child task failed", zap.Int64("collectionID", collectionID), zap.Int64s("partitionIDs", partitionIDs))
|
|
lpt.setResultInfo(err)
|
|
return err
|
|
}
|
|
log.Debug("LoadPartitionTask: assign child task done", zap.Int64("collectionID", collectionID), zap.Int64s("partitionIDs", partitionIDs))
|
|
|
|
log.Debug("LoadPartitionTask Execute done",
|
|
zap.Int64("msgID", lpt.getTaskID()),
|
|
zap.Int64("collectionID", collectionID),
|
|
zap.Int64s("partitionIDs", partitionIDs))
|
|
return nil
|
|
}
|
|
|
|
func (lpt *LoadPartitionTask) postExecute(ctx context.Context) error {
|
|
collectionID := lpt.CollectionID
|
|
partitionIDs := lpt.PartitionIDs
|
|
if lpt.result.ErrorCode != commonpb.ErrorCode_Success {
|
|
lpt.childTasks = []task{}
|
|
if lpt.addCol {
|
|
err := lpt.meta.releaseCollection(collectionID)
|
|
if err != nil {
|
|
log.Error("LoadPartitionTask: occur error when release collection info from meta", zap.Error(err))
|
|
}
|
|
} else {
|
|
for _, partitionID := range partitionIDs {
|
|
err := lpt.meta.releasePartition(collectionID, partitionID)
|
|
if err != nil {
|
|
log.Error("LoadPartitionTask: occur error when release partition info from meta", zap.Error(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 {
|
|
partitionIDs := lpt.PartitionIDs
|
|
resultTasks := make([]task, 0)
|
|
//brute force rollBack, should optimize
|
|
if lpt.addCol {
|
|
nodes, _ := lpt.cluster.onlineNodes()
|
|
for nodeID := range nodes {
|
|
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: lpt.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)
|
|
}
|
|
} else {
|
|
nodes, _ := lpt.cluster.onlineNodes()
|
|
for nodeID := range nodes {
|
|
req := &querypb.ReleasePartitionsRequest{
|
|
Base: &commonpb.MsgBase{
|
|
MsgType: commonpb.MsgType_ReleasePartitions,
|
|
MsgID: lpt.Base.MsgID,
|
|
Timestamp: lpt.Base.Timestamp,
|
|
SourceID: lpt.Base.SourceID,
|
|
},
|
|
DbID: lpt.DbID,
|
|
CollectionID: lpt.CollectionID,
|
|
PartitionIDs: partitionIDs,
|
|
NodeID: nodeID,
|
|
}
|
|
|
|
baseTask := newBaseTask(ctx, querypb.TriggerCondition_grpcRequest)
|
|
baseTask.setParentTask(lpt)
|
|
releasePartitionTask := &ReleasePartitionTask{
|
|
BaseTask: baseTask,
|
|
ReleasePartitionsRequest: req,
|
|
cluster: lpt.cluster,
|
|
}
|
|
resultTasks = append(resultTasks, releasePartitionTask)
|
|
}
|
|
}
|
|
log.Debug("loadPartitionTask: rollBack loadPartitionTask", zap.Any("loadPartitionTask", lpt), zap.Any("rollBack task", resultTasks))
|
|
return resultTasks
|
|
}
|
|
|
|
// ReleasePartitionTask will release all the data of this partition on query nodes
|
|
type ReleasePartitionTask struct {
|
|
*BaseTask
|
|
*querypb.ReleasePartitionsRequest
|
|
cluster Cluster
|
|
}
|
|
|
|
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
|
|
rpt.setResultInfo(nil)
|
|
log.Debug("start do releasePartitionTask",
|
|
zap.Int64("msgID", rpt.getTaskID()),
|
|
zap.Int64("collectionID", collectionID))
|
|
return nil
|
|
}
|
|
|
|
func (rpt *ReleasePartitionTask) execute(ctx context.Context) error {
|
|
defer func() {
|
|
rpt.retryCount--
|
|
}()
|
|
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 {
|
|
nodes, err := rpt.cluster.onlineNodes()
|
|
if err != nil {
|
|
log.Debug(err.Error())
|
|
}
|
|
for nodeID := range nodes {
|
|
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,
|
|
}
|
|
rpt.addChildTask(releasePartitionTask)
|
|
log.Debug("ReleasePartitionTask: add a releasePartitionTask to releasePartitionTask's childTask", zap.Any("task", releasePartitionTask))
|
|
}
|
|
} else {
|
|
err := rpt.cluster.releasePartitions(ctx, rpt.NodeID, rpt.ReleasePartitionsRequest)
|
|
if err != nil {
|
|
log.Warn("ReleasePartitionsTask: release partition end, node occur error", 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.result.ErrorCode != commonpb.ErrorCode_Success {
|
|
rpt.childTasks = []task{}
|
|
}
|
|
|
|
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
|
|
}
|
|
|
|
//****************************internal task*******************************//
|
|
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.NodeID)
|
|
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.NodeID),
|
|
zap.Int64("taskID", lst.getTaskID()))
|
|
return nil
|
|
}
|
|
|
|
func (lst *LoadSegmentTask) execute(ctx context.Context) error {
|
|
defer func() {
|
|
lst.retryCount--
|
|
}()
|
|
|
|
err := lst.cluster.loadSegments(ctx, lst.NodeID, 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) {
|
|
segmentIDs := make([]UniqueID, 0)
|
|
collectionID := lst.Infos[0].CollectionID
|
|
reScheduledTask := make([]task, 0)
|
|
for _, info := range lst.Infos {
|
|
segmentIDs = append(segmentIDs, info.SegmentID)
|
|
}
|
|
lst.excludeNodeIDs = append(lst.excludeNodeIDs, lst.NodeID)
|
|
segment2Nodes, err := shuffleSegmentsToQueryNode(segmentIDs, lst.cluster, false, lst.excludeNodeIDs)
|
|
if err != nil {
|
|
log.Error("loadSegment reschedule failed", zap.Int64s("excludeNodes", lst.excludeNodeIDs), zap.Error(err))
|
|
return nil, err
|
|
}
|
|
node2segmentInfos := make(map[int64][]*querypb.SegmentLoadInfo)
|
|
for index, info := range lst.Infos {
|
|
nodeID := segment2Nodes[index]
|
|
if _, ok := node2segmentInfos[nodeID]; !ok {
|
|
node2segmentInfos[nodeID] = make([]*querypb.SegmentLoadInfo, 0)
|
|
}
|
|
node2segmentInfos[nodeID] = append(node2segmentInfos[nodeID], info)
|
|
}
|
|
|
|
for nodeID, infos := range node2segmentInfos {
|
|
loadSegmentBaseTask := newBaseTask(ctx, lst.getTriggerCondition())
|
|
loadSegmentBaseTask.setParentTask(lst.getParentTask())
|
|
loadSegmentTask := &LoadSegmentTask{
|
|
BaseTask: loadSegmentBaseTask,
|
|
LoadSegmentsRequest: &querypb.LoadSegmentsRequest{
|
|
Base: lst.Base,
|
|
NodeID: nodeID,
|
|
Infos: infos,
|
|
Schema: lst.Schema,
|
|
LoadCondition: lst.LoadCondition,
|
|
},
|
|
meta: lst.meta,
|
|
cluster: lst.cluster,
|
|
excludeNodeIDs: lst.excludeNodeIDs,
|
|
}
|
|
reScheduledTask = append(reScheduledTask, loadSegmentTask)
|
|
log.Debug("LoadSegmentTask: add a loadSegmentTask to RescheduleTasks", zap.Any("task", loadSegmentTask))
|
|
|
|
hasWatchQueryChannel := lst.cluster.hasWatchedQueryChannel(lst.ctx, nodeID, collectionID)
|
|
if !hasWatchQueryChannel {
|
|
queryChannel, queryResultChannel, err := lst.meta.getQueryChannel(collectionID)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
msgBase := proto.Clone(lst.Base).(*commonpb.MsgBase)
|
|
msgBase.MsgType = commonpb.MsgType_WatchQueryChannels
|
|
addQueryChannelRequest := &querypb.AddQueryChannelRequest{
|
|
Base: msgBase,
|
|
NodeID: nodeID,
|
|
CollectionID: collectionID,
|
|
RequestChannelID: queryChannel,
|
|
ResultChannelID: queryResultChannel,
|
|
}
|
|
watchQueryChannelBaseTask := newBaseTask(ctx, lst.getTriggerCondition())
|
|
watchQueryChannelBaseTask.setParentTask(lst.getParentTask())
|
|
watchQueryChannelTask := &WatchQueryChannelTask{
|
|
BaseTask: watchQueryChannelBaseTask,
|
|
AddQueryChannelRequest: addQueryChannelRequest,
|
|
cluster: lst.cluster,
|
|
}
|
|
reScheduledTask = append(reScheduledTask, watchQueryChannelTask)
|
|
log.Debug("LoadSegmentTask: add a watchQueryChannelTask to RescheduleTasks", zap.Any("task", watchQueryChannelTask))
|
|
}
|
|
}
|
|
|
|
return reScheduledTask, 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 func() {
|
|
rst.retryCount--
|
|
}()
|
|
|
|
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 func() {
|
|
wdt.retryCount--
|
|
}()
|
|
|
|
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
|
|
channelIDs := make([]string, 0)
|
|
reScheduledTask := make([]task, 0)
|
|
for _, info := range wdt.Infos {
|
|
channelIDs = append(channelIDs, info.ChannelName)
|
|
}
|
|
|
|
wdt.excludeNodeIDs = append(wdt.excludeNodeIDs, wdt.NodeID)
|
|
channel2Nodes, err := shuffleChannelsToQueryNode(channelIDs, wdt.cluster, false, wdt.excludeNodeIDs)
|
|
if err != nil {
|
|
log.Error("watchDmChannel reschedule failed", zap.Int64s("excludeNodes", wdt.excludeNodeIDs), zap.Error(err))
|
|
return nil, err
|
|
}
|
|
node2channelInfos := make(map[int64][]*datapb.VchannelInfo)
|
|
for index, info := range wdt.Infos {
|
|
nodeID := channel2Nodes[index]
|
|
if _, ok := node2channelInfos[nodeID]; !ok {
|
|
node2channelInfos[nodeID] = make([]*datapb.VchannelInfo, 0)
|
|
}
|
|
node2channelInfos[nodeID] = append(node2channelInfos[nodeID], info)
|
|
}
|
|
|
|
for nodeID, infos := range node2channelInfos {
|
|
watchDmChannelBaseTask := newBaseTask(ctx, wdt.getTriggerCondition())
|
|
watchDmChannelBaseTask.setParentTask(wdt.getParentTask())
|
|
watchDmChannelTask := &WatchDmChannelTask{
|
|
BaseTask: watchDmChannelBaseTask,
|
|
WatchDmChannelsRequest: &querypb.WatchDmChannelsRequest{
|
|
Base: wdt.Base,
|
|
NodeID: nodeID,
|
|
CollectionID: wdt.CollectionID,
|
|
PartitionID: wdt.PartitionID,
|
|
Infos: infos,
|
|
Schema: wdt.Schema,
|
|
ExcludeInfos: wdt.ExcludeInfos,
|
|
},
|
|
meta: wdt.meta,
|
|
cluster: wdt.cluster,
|
|
excludeNodeIDs: wdt.excludeNodeIDs,
|
|
}
|
|
reScheduledTask = append(reScheduledTask, watchDmChannelTask)
|
|
log.Debug("WatchDmChannelTask: add a watchDmChannelTask to RescheduleTasks", zap.Any("task", watchDmChannelTask))
|
|
|
|
hasWatchQueryChannel := wdt.cluster.hasWatchedQueryChannel(wdt.ctx, nodeID, collectionID)
|
|
if !hasWatchQueryChannel {
|
|
queryChannel, queryResultChannel, err := wdt.meta.getQueryChannel(collectionID)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
msgBase := proto.Clone(wdt.Base).(*commonpb.MsgBase)
|
|
msgBase.MsgType = commonpb.MsgType_WatchQueryChannels
|
|
addQueryChannelRequest := &querypb.AddQueryChannelRequest{
|
|
Base: msgBase,
|
|
NodeID: nodeID,
|
|
CollectionID: collectionID,
|
|
RequestChannelID: queryChannel,
|
|
ResultChannelID: queryResultChannel,
|
|
}
|
|
watchQueryChannelBaseTask := newBaseTask(ctx, wdt.getTriggerCondition())
|
|
watchQueryChannelBaseTask.setParentTask(wdt.getParentTask())
|
|
watchQueryChannelTask := &WatchQueryChannelTask{
|
|
BaseTask: watchQueryChannelBaseTask,
|
|
AddQueryChannelRequest: addQueryChannelRequest,
|
|
cluster: wdt.cluster,
|
|
}
|
|
reScheduledTask = append(reScheduledTask, watchQueryChannelTask)
|
|
log.Debug("WatchDmChannelTask: add a watchQueryChannelTask to RescheduleTasks", zap.Any("task", watchQueryChannelTask))
|
|
}
|
|
}
|
|
|
|
return reScheduledTask, 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.RequestChannelID),
|
|
zap.String("queryResultChannel", wqt.ResultChannelID),
|
|
zap.Int64("loaded nodeID", wqt.NodeID),
|
|
zap.Int64("taskID", wqt.getTaskID()))
|
|
return nil
|
|
}
|
|
|
|
func (wqt *WatchQueryChannelTask) execute(ctx context.Context) error {
|
|
defer func() {
|
|
wqt.retryCount--
|
|
}()
|
|
|
|
err := wqt.cluster.addQueryChannel(wqt.ctx, wqt.NodeID, wqt.AddQueryChannelRequest)
|
|
if err != nil {
|
|
log.Warn("WatchQueryChannelTask: watchQueryChannel occur error", zap.Int64("taskID", wqt.getTaskID()))
|
|
wqt.setResultInfo(err)
|
|
return err
|
|
}
|
|
|
|
log.Debug("watchQueryChannelTask Execute done",
|
|
zap.Int64("collectionID", wqt.CollectionID),
|
|
zap.String("queryChannel", wqt.RequestChannelID),
|
|
zap.String("queryResultChannel", wqt.ResultChannelID),
|
|
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.RequestChannelID),
|
|
zap.String("queryResultChannel", wqt.ResultChannelID),
|
|
zap.Int64("taskID", wqt.getTaskID()))
|
|
return nil
|
|
}
|
|
|
|
//****************************handoff task********************************//
|
|
type HandoffTask struct {
|
|
}
|
|
|
|
//*********************** ***load balance task*** ************************//
|
|
type LoadBalanceTask struct {
|
|
*BaseTask
|
|
*querypb.LoadBalanceRequest
|
|
rootCoord types.RootCoord
|
|
dataCoord types.DataCoord
|
|
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.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 func() {
|
|
lbt.retryCount--
|
|
}()
|
|
|
|
if lbt.triggerCondition == querypb.TriggerCondition_nodeDown {
|
|
for _, nodeID := range lbt.SourceNodeIDs {
|
|
collectionInfos := lbt.cluster.getCollectionInfosByID(lbt.ctx, nodeID)
|
|
for _, info := range collectionInfos {
|
|
collectionID := info.CollectionID
|
|
metaInfo, err := lbt.meta.getCollectionInfoByID(collectionID)
|
|
if err != nil {
|
|
log.Warn("LoadBalanceTask: getCollectionInfoByID occur error", zap.String("error", err.Error()))
|
|
lbt.setResultInfo(err)
|
|
return err
|
|
}
|
|
loadType := metaInfo.LoadType
|
|
schema := metaInfo.Schema
|
|
partitionIDs := info.PartitionIDs
|
|
|
|
segmentsToLoad := make([]UniqueID, 0)
|
|
loadSegmentReqs := make([]*querypb.LoadSegmentsRequest, 0)
|
|
channelsToWatch := make([]string, 0)
|
|
watchDmChannelReqs := make([]*querypb.WatchDmChannelsRequest, 0)
|
|
|
|
dmChannels, err := lbt.meta.getDmChannelsByNodeID(collectionID, nodeID)
|
|
if err != nil {
|
|
lbt.setResultInfo(err)
|
|
return err
|
|
}
|
|
|
|
for _, partitionID := range partitionIDs {
|
|
getRecoveryInfo := &datapb.GetRecoveryInfoRequest{
|
|
Base: &commonpb.MsgBase{
|
|
MsgType: commonpb.MsgType_LoadBalanceSegments,
|
|
},
|
|
CollectionID: collectionID,
|
|
PartitionID: partitionID,
|
|
}
|
|
recoveryInfo, err := lbt.dataCoord.GetRecoveryInfo(ctx, getRecoveryInfo)
|
|
if err != nil {
|
|
lbt.setResultInfo(err)
|
|
return err
|
|
}
|
|
|
|
for _, segmentBingLog := range recoveryInfo.Binlogs {
|
|
segmentID := segmentBingLog.SegmentID
|
|
segmentLoadInfo := &querypb.SegmentLoadInfo{
|
|
SegmentID: segmentID,
|
|
PartitionID: partitionID,
|
|
CollectionID: collectionID,
|
|
BinlogPaths: segmentBingLog.FieldBinlogs,
|
|
NumOfRows: segmentBingLog.NumOfRows,
|
|
}
|
|
|
|
msgBase := proto.Clone(lbt.Base).(*commonpb.MsgBase)
|
|
msgBase.MsgType = commonpb.MsgType_LoadSegments
|
|
loadSegmentReq := &querypb.LoadSegmentsRequest{
|
|
Base: msgBase,
|
|
Infos: []*querypb.SegmentLoadInfo{segmentLoadInfo},
|
|
Schema: schema,
|
|
LoadCondition: querypb.TriggerCondition_nodeDown,
|
|
}
|
|
|
|
segmentsToLoad = append(segmentsToLoad, segmentID)
|
|
loadSegmentReqs = append(loadSegmentReqs, loadSegmentReq)
|
|
}
|
|
|
|
for _, channelInfo := range recoveryInfo.Channels {
|
|
for _, channel := range dmChannels {
|
|
if channelInfo.ChannelName == channel {
|
|
if loadType == querypb.LoadType_loadCollection {
|
|
merged := false
|
|
for index, channelName := range channelsToWatch {
|
|
if channel == channelName {
|
|
merged = true
|
|
oldInfo := watchDmChannelReqs[index].Infos[0]
|
|
newInfo := mergeVChannelInfo(oldInfo, channelInfo)
|
|
watchDmChannelReqs[index].Infos = []*datapb.VchannelInfo{newInfo}
|
|
break
|
|
}
|
|
}
|
|
if !merged {
|
|
msgBase := proto.Clone(lbt.Base).(*commonpb.MsgBase)
|
|
msgBase.MsgType = commonpb.MsgType_WatchDmChannels
|
|
watchRequest := &querypb.WatchDmChannelsRequest{
|
|
Base: msgBase,
|
|
CollectionID: collectionID,
|
|
Infos: []*datapb.VchannelInfo{channelInfo},
|
|
Schema: schema,
|
|
}
|
|
channelsToWatch = append(channelsToWatch, channel)
|
|
watchDmChannelReqs = append(watchDmChannelReqs, watchRequest)
|
|
}
|
|
} else {
|
|
msgBase := proto.Clone(lbt.Base).(*commonpb.MsgBase)
|
|
msgBase.MsgType = commonpb.MsgType_WatchDmChannels
|
|
watchRequest := &querypb.WatchDmChannelsRequest{
|
|
Base: msgBase,
|
|
CollectionID: collectionID,
|
|
PartitionID: partitionID,
|
|
Infos: []*datapb.VchannelInfo{channelInfo},
|
|
Schema: schema,
|
|
}
|
|
channelsToWatch = append(channelsToWatch, channel)
|
|
watchDmChannelReqs = append(watchDmChannelReqs, watchRequest)
|
|
}
|
|
break
|
|
}
|
|
}
|
|
}
|
|
}
|
|
err = assignInternalTask(ctx, collectionID, lbt, lbt.meta, lbt.cluster, loadSegmentReqs, watchDmChannelReqs, true)
|
|
if err != nil {
|
|
log.Warn("loadBalanceTask: assign child task failed", zap.Int64("collectionID", collectionID), zap.Int64s("partitionIDs", partitionIDs))
|
|
lbt.setResultInfo(err)
|
|
return err
|
|
}
|
|
log.Debug("loadBalanceTask: assign child task done", zap.Int64("collectionID", collectionID), zap.Int64s("partitionIDs", partitionIDs))
|
|
}
|
|
}
|
|
}
|
|
|
|
//TODO::
|
|
//if lbt.triggerCondition == querypb.TriggerCondition_loadBalance {
|
|
// return nil
|
|
//}
|
|
|
|
log.Debug("LoadBalanceTask Execute done",
|
|
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.result.ErrorCode == commonpb.ErrorCode_Success {
|
|
for _, id := range lbt.SourceNodeIDs {
|
|
err := lbt.cluster.removeNodeInfo(id)
|
|
if err != nil {
|
|
log.Error("LoadBalanceTask: occur error when removing node info from cluster", zap.Int64("nodeID", id))
|
|
}
|
|
err = lbt.meta.deleteSegmentInfoByNodeID(id)
|
|
if err != nil {
|
|
log.Error("LoadBalanceTask: occur error when removing node info from meta", zap.Int64("nodeID", id))
|
|
}
|
|
}
|
|
} else {
|
|
lbt.childTasks = []task{}
|
|
}
|
|
|
|
log.Debug("LoadBalanceTask postExecute done",
|
|
zap.Int64s("sourceNodeIDs", lbt.SourceNodeIDs),
|
|
zap.Any("balanceReason", lbt.BalanceReason),
|
|
zap.Int64("taskID", lbt.getTaskID()))
|
|
return nil
|
|
}
|
|
|
|
func shuffleChannelsToQueryNode(dmChannels []string, cluster Cluster, wait bool, excludeNodeIDs []int64) ([]int64, error) {
|
|
maxNumChannels := 0
|
|
nodes := make(map[int64]Node)
|
|
var err error
|
|
for {
|
|
nodes, err = cluster.onlineNodes()
|
|
if err != nil {
|
|
log.Debug(err.Error())
|
|
if !wait {
|
|
return nil, err
|
|
}
|
|
time.Sleep(1 * time.Second)
|
|
continue
|
|
}
|
|
for _, id := range excludeNodeIDs {
|
|
delete(nodes, id)
|
|
}
|
|
if len(nodes) > 0 {
|
|
break
|
|
}
|
|
if !wait {
|
|
return nil, errors.New("no queryNode to allocate")
|
|
}
|
|
}
|
|
|
|
for nodeID := range nodes {
|
|
numChannels, _ := cluster.getNumDmChannels(nodeID)
|
|
if numChannels > maxNumChannels {
|
|
maxNumChannels = numChannels
|
|
}
|
|
}
|
|
res := make([]int64, 0)
|
|
if len(dmChannels) == 0 {
|
|
return res, nil
|
|
}
|
|
|
|
offset := 0
|
|
loopAll := false
|
|
for {
|
|
lastOffset := offset
|
|
if !loopAll {
|
|
for nodeID := range nodes {
|
|
numSegments, _ := cluster.getNumSegments(nodeID)
|
|
if numSegments >= maxNumChannels {
|
|
continue
|
|
}
|
|
res = append(res, nodeID)
|
|
offset++
|
|
if offset == len(dmChannels) {
|
|
return res, nil
|
|
}
|
|
}
|
|
} else {
|
|
for nodeID := range nodes {
|
|
res = append(res, nodeID)
|
|
offset++
|
|
if offset == len(dmChannels) {
|
|
return res, nil
|
|
}
|
|
}
|
|
}
|
|
if lastOffset == offset {
|
|
loopAll = true
|
|
}
|
|
}
|
|
}
|
|
|
|
func shuffleSegmentsToQueryNode(segmentIDs []UniqueID, cluster Cluster, wait bool, excludeNodeIDs []int64) ([]int64, error) {
|
|
maxNumSegments := 0
|
|
nodes := make(map[int64]Node)
|
|
var err error
|
|
for {
|
|
nodes, err = cluster.onlineNodes()
|
|
if err != nil {
|
|
log.Debug(err.Error())
|
|
if !wait {
|
|
return nil, err
|
|
}
|
|
time.Sleep(1 * time.Second)
|
|
continue
|
|
}
|
|
for _, id := range excludeNodeIDs {
|
|
delete(nodes, id)
|
|
}
|
|
if len(nodes) > 0 {
|
|
break
|
|
}
|
|
if !wait {
|
|
return nil, errors.New("no queryNode to allocate")
|
|
}
|
|
}
|
|
for nodeID := range nodes {
|
|
numSegments, _ := cluster.getNumSegments(nodeID)
|
|
if numSegments > maxNumSegments {
|
|
maxNumSegments = numSegments
|
|
}
|
|
}
|
|
res := make([]int64, 0)
|
|
|
|
if len(segmentIDs) == 0 {
|
|
return res, nil
|
|
}
|
|
|
|
offset := 0
|
|
loopAll := false
|
|
for {
|
|
lastOffset := offset
|
|
if !loopAll {
|
|
for nodeID := range nodes {
|
|
numSegments, _ := cluster.getNumSegments(nodeID)
|
|
if numSegments >= maxNumSegments {
|
|
continue
|
|
}
|
|
res = append(res, nodeID)
|
|
offset++
|
|
if offset == len(segmentIDs) {
|
|
return res, nil
|
|
}
|
|
}
|
|
} else {
|
|
for nodeID := range nodes {
|
|
res = append(res, nodeID)
|
|
offset++
|
|
if offset == len(segmentIDs) {
|
|
return res, nil
|
|
}
|
|
}
|
|
}
|
|
if lastOffset == offset {
|
|
loopAll = true
|
|
}
|
|
}
|
|
}
|
|
|
|
func mergeVChannelInfo(info1 *datapb.VchannelInfo, info2 *datapb.VchannelInfo) *datapb.VchannelInfo {
|
|
collectionID := info1.CollectionID
|
|
channelName := info1.ChannelName
|
|
var seekPosition *internalpb.MsgPosition
|
|
if info1.SeekPosition == nil || info2.SeekPosition == nil {
|
|
seekPosition = &internalpb.MsgPosition{
|
|
ChannelName: channelName,
|
|
}
|
|
} else {
|
|
seekPosition = info1.SeekPosition
|
|
if info1.SeekPosition.Timestamp > info2.SeekPosition.Timestamp {
|
|
seekPosition = info2.SeekPosition
|
|
}
|
|
}
|
|
|
|
checkPoints := make([]*datapb.SegmentInfo, 0)
|
|
checkPoints = append(checkPoints, info1.UnflushedSegments...)
|
|
checkPoints = append(checkPoints, info2.UnflushedSegments...)
|
|
|
|
flushedSegments := make([]*datapb.SegmentInfo, 0)
|
|
flushedSegments = append(flushedSegments, info1.FlushedSegments...)
|
|
flushedSegments = append(flushedSegments, info2.FlushedSegments...)
|
|
|
|
return &datapb.VchannelInfo{
|
|
CollectionID: collectionID,
|
|
ChannelName: channelName,
|
|
SeekPosition: seekPosition,
|
|
UnflushedSegments: checkPoints,
|
|
FlushedSegments: flushedSegments,
|
|
}
|
|
}
|
|
|
|
func assignInternalTask(ctx context.Context,
|
|
collectionID UniqueID,
|
|
parentTask task,
|
|
meta Meta,
|
|
cluster Cluster,
|
|
loadSegmentRequests []*querypb.LoadSegmentsRequest,
|
|
watchDmChannelRequests []*querypb.WatchDmChannelsRequest,
|
|
wait bool) error {
|
|
sp, _ := trace.StartSpanFromContext(ctx)
|
|
defer sp.Finish()
|
|
segmentsToLoad := make([]UniqueID, 0)
|
|
for _, req := range loadSegmentRequests {
|
|
segmentsToLoad = append(segmentsToLoad, req.Infos[0].SegmentID)
|
|
}
|
|
channelsToWatch := make([]string, 0)
|
|
for _, req := range watchDmChannelRequests {
|
|
channelsToWatch = append(channelsToWatch, req.Infos[0].ChannelName)
|
|
}
|
|
segment2Nodes, err := shuffleSegmentsToQueryNode(segmentsToLoad, cluster, wait, nil)
|
|
if err != nil {
|
|
log.Error("assignInternalTask: segment to node failed", zap.Any("segments map", segment2Nodes), zap.Int64("collectionID", collectionID))
|
|
return err
|
|
}
|
|
log.Debug("assignInternalTask: segment to node", zap.Any("segments map", segment2Nodes), zap.Int64("collectionID", collectionID))
|
|
watchRequest2Nodes, err := shuffleChannelsToQueryNode(channelsToWatch, cluster, wait, nil)
|
|
if err != nil {
|
|
log.Error("assignInternalTask: watch request to node failed", zap.Any("request map", watchRequest2Nodes), zap.Int64("collectionID", collectionID))
|
|
return err
|
|
}
|
|
log.Debug("assignInternalTask: watch request to node", zap.Any("request map", watchRequest2Nodes), zap.Int64("collectionID", collectionID))
|
|
|
|
watchQueryChannelInfo := make(map[int64]bool)
|
|
node2Segments := make(map[int64]*querypb.LoadSegmentsRequest)
|
|
for index, nodeID := range segment2Nodes {
|
|
if _, ok := node2Segments[nodeID]; !ok {
|
|
node2Segments[nodeID] = loadSegmentRequests[index]
|
|
} else {
|
|
node2Segments[nodeID].Infos = append(node2Segments[nodeID].Infos, loadSegmentRequests[index].Infos...)
|
|
}
|
|
if cluster.hasWatchedQueryChannel(parentTask.traceCtx(), nodeID, collectionID) {
|
|
watchQueryChannelInfo[nodeID] = true
|
|
continue
|
|
}
|
|
watchQueryChannelInfo[nodeID] = false
|
|
}
|
|
for _, nodeID := range watchRequest2Nodes {
|
|
if cluster.hasWatchedQueryChannel(parentTask.traceCtx(), nodeID, collectionID) {
|
|
watchQueryChannelInfo[nodeID] = true
|
|
continue
|
|
}
|
|
watchQueryChannelInfo[nodeID] = false
|
|
}
|
|
|
|
for nodeID, loadSegmentsReq := range node2Segments {
|
|
ctx = opentracing.ContextWithSpan(context.Background(), sp)
|
|
loadSegmentsReq.NodeID = nodeID
|
|
baseTask := newBaseTask(ctx, parentTask.getTriggerCondition())
|
|
baseTask.setParentTask(parentTask)
|
|
loadSegmentTask := &LoadSegmentTask{
|
|
BaseTask: baseTask,
|
|
LoadSegmentsRequest: loadSegmentsReq,
|
|
meta: meta,
|
|
cluster: cluster,
|
|
excludeNodeIDs: []int64{},
|
|
}
|
|
parentTask.addChildTask(loadSegmentTask)
|
|
log.Debug("assignInternalTask: add a loadSegmentTask childTask", zap.Any("task", loadSegmentTask))
|
|
}
|
|
|
|
for index, nodeID := range watchRequest2Nodes {
|
|
ctx = opentracing.ContextWithSpan(context.Background(), sp)
|
|
watchDmChannelReq := watchDmChannelRequests[index]
|
|
watchDmChannelReq.NodeID = nodeID
|
|
baseTask := newBaseTask(ctx, parentTask.getTriggerCondition())
|
|
baseTask.setParentTask(parentTask)
|
|
watchDmChannelTask := &WatchDmChannelTask{
|
|
BaseTask: baseTask,
|
|
WatchDmChannelsRequest: watchDmChannelReq,
|
|
meta: meta,
|
|
cluster: cluster,
|
|
excludeNodeIDs: []int64{},
|
|
}
|
|
parentTask.addChildTask(watchDmChannelTask)
|
|
log.Debug("assignInternalTask: add a watchDmChannelTask childTask", zap.Any("task", watchDmChannelTask))
|
|
}
|
|
|
|
for nodeID, watched := range watchQueryChannelInfo {
|
|
if !watched {
|
|
ctx = opentracing.ContextWithSpan(context.Background(), sp)
|
|
queryChannel, queryResultChannel, err := meta.getQueryChannel(collectionID)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
msgBase := proto.Clone(parentTask.msgBase()).(*commonpb.MsgBase)
|
|
msgBase.MsgType = commonpb.MsgType_WatchQueryChannels
|
|
addQueryChannelRequest := &querypb.AddQueryChannelRequest{
|
|
Base: msgBase,
|
|
NodeID: nodeID,
|
|
CollectionID: collectionID,
|
|
RequestChannelID: queryChannel,
|
|
ResultChannelID: queryResultChannel,
|
|
}
|
|
baseTask := newBaseTask(ctx, parentTask.getTriggerCondition())
|
|
baseTask.setParentTask(parentTask)
|
|
watchQueryChannelTask := &WatchQueryChannelTask{
|
|
BaseTask: baseTask,
|
|
|
|
AddQueryChannelRequest: addQueryChannelRequest,
|
|
cluster: cluster,
|
|
}
|
|
parentTask.addChildTask(watchQueryChannelTask)
|
|
log.Debug("assignInternalTask: add a watchQueryChannelTask childTask", zap.Any("task", watchQueryChannelTask))
|
|
}
|
|
}
|
|
return nil
|
|
}
|