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141 lines
3.9 KiB
Go
141 lines
3.9 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 task
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import (
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"errors"
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"github.com/samber/lo"
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"go.uber.org/atomic"
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"github.com/milvus-io/milvus/internal/proto/querypb"
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"github.com/milvus-io/milvus/internal/querycoordv2/meta"
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. "github.com/milvus-io/milvus/internal/util/typeutil"
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)
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var (
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ErrActionCanceled = errors.New("ActionCanceled")
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ErrActionRPCFailed = errors.New("ActionRPCFailed")
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ErrActionStale = errors.New("ActionStale")
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)
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type ActionType = int32
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const (
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ActionTypeGrow ActionType = iota + 1
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ActionTypeReduce
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)
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type Action interface {
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Node() int64
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Type() ActionType
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IsFinished(distMgr *meta.DistributionManager) bool
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}
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type BaseAction struct {
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nodeID UniqueID
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typ ActionType
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shard string
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}
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func NewBaseAction(nodeID UniqueID, typ ActionType, shard string) *BaseAction {
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return &BaseAction{
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nodeID: nodeID,
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typ: typ,
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shard: shard,
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}
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}
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func (action *BaseAction) Node() int64 {
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return action.nodeID
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}
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func (action *BaseAction) Type() ActionType {
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return action.typ
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}
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func (action *BaseAction) Shard() string {
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return action.shard
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}
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type SegmentAction struct {
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*BaseAction
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segmentID UniqueID
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scope querypb.DataScope
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isReleaseCommitted atomic.Bool
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}
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func NewSegmentAction(nodeID UniqueID, typ ActionType, shard string, segmentID UniqueID) *SegmentAction {
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return NewSegmentActionWithScope(nodeID, typ, shard, segmentID, querypb.DataScope_All)
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}
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func NewSegmentActionWithScope(nodeID UniqueID, typ ActionType, shard string, segmentID UniqueID, scope querypb.DataScope) *SegmentAction {
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base := NewBaseAction(nodeID, typ, shard)
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return &SegmentAction{
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BaseAction: base,
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segmentID: segmentID,
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scope: scope,
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isReleaseCommitted: *atomic.NewBool(false),
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}
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}
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func (action *SegmentAction) SegmentID() UniqueID {
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return action.segmentID
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}
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func (action *SegmentAction) Scope() querypb.DataScope {
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return action.scope
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}
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func (action *SegmentAction) IsFinished(distMgr *meta.DistributionManager) bool {
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if action.Type() == ActionTypeGrow {
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nodes := distMgr.LeaderViewManager.GetSealedSegmentDist(action.SegmentID())
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return lo.Contains(nodes, action.Node())
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}
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// FIXME: Now shard leader's segment view is a map of segment ID to node ID,
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// loading segment replaces the node ID with the new one,
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// which confuses the condition of finishing,
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// the leader should return a map of segment ID to list of nodes,
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// now, we just always commit the release task to executor once.
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// NOTE: DO NOT create a task containing release action and the action is not the last action
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return action.isReleaseCommitted.Load()
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}
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type ChannelAction struct {
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*BaseAction
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}
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func NewChannelAction(nodeID UniqueID, typ ActionType, channelName string) *ChannelAction {
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return &ChannelAction{
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BaseAction: NewBaseAction(nodeID, typ, channelName),
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}
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}
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func (action *ChannelAction) ChannelName() string {
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return action.shard
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}
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func (action *ChannelAction) IsFinished(distMgr *meta.DistributionManager) bool {
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nodes := distMgr.LeaderViewManager.GetChannelDist(action.ChannelName())
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hasNode := lo.Contains(nodes, action.Node())
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isGrow := action.Type() == ActionTypeGrow
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return hasNode == isGrow
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}
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