mirror of https://github.com/milvus-io/milvus.git
381 lines
12 KiB
Go
381 lines
12 KiB
Go
package datacoord
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import (
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"context"
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"fmt"
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"time"
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"github.com/cockroachdb/errors"
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"github.com/samber/lo"
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"go.opentelemetry.io/otel/trace"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus/internal/datacoord/allocator"
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"github.com/milvus-io/milvus/internal/datacoord/session"
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"github.com/milvus-io/milvus/internal/proto/datapb"
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"github.com/milvus-io/milvus/pkg/log"
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"github.com/milvus-io/milvus/pkg/util/merr"
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)
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var _ CompactionTask = (*mixCompactionTask)(nil)
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type mixCompactionTask struct {
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*datapb.CompactionTask
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plan *datapb.CompactionPlan
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result *datapb.CompactionPlanResult
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span trace.Span
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allocator allocator.Allocator
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sessions session.DataNodeManager
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meta CompactionMeta
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newSegmentIDs []int64
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}
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func (t *mixCompactionTask) processPipelining() bool {
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if t.NeedReAssignNodeID() {
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return false
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}
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log := log.With(zap.Int64("triggerID", t.GetTriggerID()), zap.Int64("nodeID", t.GetNodeID()))
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var err error
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t.plan, err = t.BuildCompactionRequest()
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if err != nil {
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log.Warn("mixCompactionTask failed to build compaction request", zap.Error(err))
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err = t.updateAndSaveTaskMeta(setState(datapb.CompactionTaskState_failed), setFailReason(err.Error()))
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if err != nil {
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log.Warn("mixCompactionTask failed to updateAndSaveTaskMeta", zap.Error(err))
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return false
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}
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return t.processFailed()
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}
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err = t.sessions.Compaction(context.TODO(), t.GetNodeID(), t.GetPlan())
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if err != nil {
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log.Warn("mixCompactionTask failed to notify compaction tasks to DataNode", zap.Int64("planID", t.GetPlanID()), zap.Error(err))
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t.updateAndSaveTaskMeta(setState(datapb.CompactionTaskState_pipelining), setNodeID(NullNodeID))
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return false
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}
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t.updateAndSaveTaskMeta(setState(datapb.CompactionTaskState_executing))
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return false
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}
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func (t *mixCompactionTask) processMetaSaved() bool {
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if err := t.updateAndSaveTaskMeta(setState(datapb.CompactionTaskState_completed)); err != nil {
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log.Warn("mixCompactionTask failed to proccessMetaSaved", zap.Error(err))
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return false
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}
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return t.processCompleted()
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}
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func (t *mixCompactionTask) processExecuting() bool {
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log := log.With(zap.Int64("planID", t.GetPlanID()), zap.String("type", t.GetType().String()))
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result, err := t.sessions.GetCompactionPlanResult(t.GetNodeID(), t.GetPlanID())
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if err != nil || result == nil {
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if errors.Is(err, merr.ErrNodeNotFound) {
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t.updateAndSaveTaskMeta(setState(datapb.CompactionTaskState_pipelining), setNodeID(NullNodeID))
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}
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log.Warn("mixCompactionTask failed to get compaction result", zap.Error(err))
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return false
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}
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switch result.GetState() {
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case datapb.CompactionTaskState_executing:
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if t.checkTimeout() {
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err := t.updateAndSaveTaskMeta(setState(datapb.CompactionTaskState_timeout))
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if err != nil {
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log.Warn("mixCompactionTask failed to updateAndSaveTaskMeta", zap.Error(err))
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return false
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}
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return t.processTimeout()
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}
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case datapb.CompactionTaskState_completed:
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t.result = result
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if len(result.GetSegments()) == 0 {
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log.Info("illegal compaction results")
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err := t.updateAndSaveTaskMeta(setState(datapb.CompactionTaskState_failed))
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if err != nil {
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log.Warn("mixCompactionTask failed to setState failed", zap.Error(err))
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return false
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}
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return t.processFailed()
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}
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if err := t.saveSegmentMeta(); err != nil {
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log.Warn("mixCompactionTask failed to save segment meta", zap.Error(err))
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if errors.Is(err, merr.ErrIllegalCompactionPlan) {
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err = t.updateAndSaveTaskMeta(setState(datapb.CompactionTaskState_failed))
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if err != nil {
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log.Warn("mixCompactionTask failed to setState failed", zap.Error(err))
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return false
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}
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return t.processFailed()
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}
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return false
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}
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err = t.updateAndSaveTaskMeta(setState(datapb.CompactionTaskState_meta_saved), setResultSegments(t.newSegmentIDs))
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if err != nil {
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log.Warn("mixCompaction failed to setState meta saved", zap.Error(err))
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return false
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}
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return t.processMetaSaved()
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case datapb.CompactionTaskState_failed:
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err := t.updateAndSaveTaskMeta(setState(datapb.CompactionTaskState_failed))
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if err != nil {
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log.Warn("fail to updateAndSaveTaskMeta")
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}
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return false
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}
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return false
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}
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func (t *mixCompactionTask) saveTaskMeta(task *datapb.CompactionTask) error {
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return t.meta.SaveCompactionTask(task)
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}
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func (t *mixCompactionTask) SaveTaskMeta() error {
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return t.saveTaskMeta(t.CompactionTask)
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}
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func (t *mixCompactionTask) saveSegmentMeta() error {
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log := log.With(zap.Int64("planID", t.GetPlanID()), zap.String("type", t.GetType().String()))
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// Also prepare metric updates.
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newSegments, metricMutation, err := t.meta.CompleteCompactionMutation(t.CompactionTask, t.result)
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if err != nil {
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return err
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}
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// Apply metrics after successful meta update.
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t.newSegmentIDs = lo.Map(newSegments, func(s *SegmentInfo, _ int) UniqueID { return s.GetID() })
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metricMutation.commit()
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log.Info("mixCompactionTask success to save segment meta")
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return nil
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}
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// Note: return True means exit this state machine.
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// ONLY return True for processCompleted or processFailed
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func (t *mixCompactionTask) Process() bool {
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switch t.GetState() {
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case datapb.CompactionTaskState_pipelining:
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return t.processPipelining()
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case datapb.CompactionTaskState_executing:
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return t.processExecuting()
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case datapb.CompactionTaskState_timeout:
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return t.processTimeout()
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case datapb.CompactionTaskState_meta_saved:
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return t.processMetaSaved()
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case datapb.CompactionTaskState_completed:
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return t.processCompleted()
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case datapb.CompactionTaskState_failed:
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return t.processFailed()
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}
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return true
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}
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func (t *mixCompactionTask) GetResult() *datapb.CompactionPlanResult {
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return t.result
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}
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func (t *mixCompactionTask) GetPlan() *datapb.CompactionPlan {
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return t.plan
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}
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/*
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func (t *mixCompactionTask) GetState() datapb.CompactionTaskState {
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return t.CompactionTask.GetState()
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}
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*/
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func (t *mixCompactionTask) GetLabel() string {
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return fmt.Sprintf("%d-%s", t.PartitionID, t.GetChannel())
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}
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func (t *mixCompactionTask) NeedReAssignNodeID() bool {
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return t.GetState() == datapb.CompactionTaskState_pipelining && (t.GetNodeID() == 0 || t.GetNodeID() == NullNodeID)
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}
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func (t *mixCompactionTask) processCompleted() bool {
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if err := t.sessions.DropCompactionPlan(t.GetNodeID(), &datapb.DropCompactionPlanRequest{
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PlanID: t.GetPlanID(),
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}); err != nil {
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log.Warn("mixCompactionTask processCompleted unable to drop compaction plan", zap.Int64("planID", t.GetPlanID()))
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}
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t.resetSegmentCompacting()
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UpdateCompactionSegmentSizeMetrics(t.result.GetSegments())
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log.Info("mixCompactionTask processCompleted done", zap.Int64("planID", t.GetPlanID()))
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return true
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}
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func (t *mixCompactionTask) resetSegmentCompacting() {
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t.meta.SetSegmentsCompacting(t.GetInputSegments(), false)
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}
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func (t *mixCompactionTask) processTimeout() bool {
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t.resetSegmentCompacting()
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return true
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}
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func (t *mixCompactionTask) ShadowClone(opts ...compactionTaskOpt) *datapb.CompactionTask {
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taskClone := &datapb.CompactionTask{
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PlanID: t.GetPlanID(),
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TriggerID: t.GetTriggerID(),
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State: t.GetState(),
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StartTime: t.GetStartTime(),
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EndTime: t.GetEndTime(),
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TimeoutInSeconds: t.GetTimeoutInSeconds(),
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Type: t.GetType(),
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CollectionTtl: t.CollectionTtl,
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CollectionID: t.GetCollectionID(),
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PartitionID: t.GetPartitionID(),
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Channel: t.GetChannel(),
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InputSegments: t.GetInputSegments(),
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ResultSegments: t.GetResultSegments(),
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TotalRows: t.TotalRows,
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Schema: t.Schema,
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NodeID: t.GetNodeID(),
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FailReason: t.GetFailReason(),
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RetryTimes: t.GetRetryTimes(),
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Pos: t.GetPos(),
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MaxSize: t.GetMaxSize(),
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}
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for _, opt := range opts {
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opt(taskClone)
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}
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return taskClone
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}
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func (t *mixCompactionTask) processFailed() bool {
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if err := t.sessions.DropCompactionPlan(t.GetNodeID(), &datapb.DropCompactionPlanRequest{
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PlanID: t.GetPlanID(),
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}); err != nil {
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log.Warn("mixCompactionTask processFailed unable to drop compaction plan", zap.Int64("planID", t.GetPlanID()), zap.Error(err))
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}
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log.Info("mixCompactionTask processFailed done", zap.Int64("planID", t.GetPlanID()))
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t.resetSegmentCompacting()
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return true
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}
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func (t *mixCompactionTask) checkTimeout() bool {
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if t.GetTimeoutInSeconds() > 0 {
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diff := time.Since(time.Unix(t.GetStartTime(), 0)).Seconds()
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if diff > float64(t.GetTimeoutInSeconds()) {
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log.Warn("compaction timeout",
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zap.Int32("timeout in seconds", t.GetTimeoutInSeconds()),
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zap.Int64("startTime", t.GetStartTime()),
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)
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return true
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}
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}
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return false
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}
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func (t *mixCompactionTask) updateAndSaveTaskMeta(opts ...compactionTaskOpt) error {
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task := t.ShadowClone(opts...)
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err := t.saveTaskMeta(task)
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if err != nil {
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return err
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}
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t.CompactionTask = task
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return nil
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}
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func (t *mixCompactionTask) SetNodeID(id UniqueID) error {
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return t.updateAndSaveTaskMeta(setNodeID(id))
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}
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func (t *mixCompactionTask) GetSpan() trace.Span {
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return t.span
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}
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func (t *mixCompactionTask) SetTask(task *datapb.CompactionTask) {
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t.CompactionTask = task
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}
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func (t *mixCompactionTask) SetSpan(span trace.Span) {
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t.span = span
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}
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/*
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func (t *mixCompactionTask) SetPlan(plan *datapb.CompactionPlan) {
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t.plan = plan
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}
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*/
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func (t *mixCompactionTask) SetResult(result *datapb.CompactionPlanResult) {
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t.result = result
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}
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func (t *mixCompactionTask) EndSpan() {
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if t.span != nil {
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t.span.End()
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}
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}
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func (t *mixCompactionTask) CleanLogPath() {
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if t.plan == nil {
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return
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}
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if t.plan.GetSegmentBinlogs() != nil {
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for _, binlogs := range t.plan.GetSegmentBinlogs() {
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binlogs.FieldBinlogs = nil
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binlogs.Field2StatslogPaths = nil
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binlogs.Deltalogs = nil
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}
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}
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if t.result.GetSegments() != nil {
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for _, segment := range t.result.GetSegments() {
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segment.InsertLogs = nil
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segment.Deltalogs = nil
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segment.Field2StatslogPaths = nil
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}
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}
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}
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func (t *mixCompactionTask) BuildCompactionRequest() (*datapb.CompactionPlan, error) {
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beginLogID, _, err := t.allocator.AllocN(1)
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if err != nil {
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return nil, err
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}
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plan := &datapb.CompactionPlan{
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PlanID: t.GetPlanID(),
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StartTime: t.GetStartTime(),
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TimeoutInSeconds: t.GetTimeoutInSeconds(),
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Type: t.GetType(),
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Channel: t.GetChannel(),
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CollectionTtl: t.GetCollectionTtl(),
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TotalRows: t.GetTotalRows(),
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Schema: t.GetSchema(),
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BeginLogID: beginLogID,
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PreAllocatedSegmentIDs: &datapb.IDRange{
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Begin: t.GetResultSegments()[0],
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End: t.GetResultSegments()[1],
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},
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SlotUsage: Params.DataCoordCfg.MixCompactionSlotUsage.GetAsInt64(),
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MaxSize: t.GetMaxSize(),
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}
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log := log.With(zap.Int64("taskID", t.GetTriggerID()), zap.Int64("planID", plan.GetPlanID()))
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segIDMap := make(map[int64][]*datapb.FieldBinlog, len(plan.SegmentBinlogs))
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for _, segID := range t.GetInputSegments() {
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segInfo := t.meta.GetHealthySegment(segID)
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if segInfo == nil {
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return nil, merr.WrapErrSegmentNotFound(segID)
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}
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plan.SegmentBinlogs = append(plan.SegmentBinlogs, &datapb.CompactionSegmentBinlogs{
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SegmentID: segID,
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CollectionID: segInfo.GetCollectionID(),
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PartitionID: segInfo.GetPartitionID(),
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Level: segInfo.GetLevel(),
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InsertChannel: segInfo.GetInsertChannel(),
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FieldBinlogs: segInfo.GetBinlogs(),
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Field2StatslogPaths: segInfo.GetStatslogs(),
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Deltalogs: segInfo.GetDeltalogs(),
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IsSorted: segInfo.GetIsSorted(),
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})
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segIDMap[segID] = segInfo.GetDeltalogs()
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}
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log.Info("Compaction handler refreshed mix compaction plan", zap.Int64("maxSize", plan.GetMaxSize()), zap.Any("segID2DeltaLogs", segIDMap))
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return plan, nil
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}
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