mirror of
https://gitee.com/milvus-io/milvus.git
synced 2024-12-05 13:28:49 +08:00
d18c49013b
issue : https://github.com/milvus-io/milvus/issues/32939 Signed-off-by: zhenshan.cao <zhenshan.cao@zilliz.com>
395 lines
12 KiB
Go
395 lines
12 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 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-proto/go-api/v2/commonpb"
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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 = (*l0CompactionTask)(nil)
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type l0CompactionTask 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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sessions SessionManager
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meta CompactionMeta
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}
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func (t *l0CompactionTask) 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 *l0CompactionTask) processPipelining() bool {
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if t.NeedReAssignNodeID() {
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return false
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}
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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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err2 := t.updateAndSaveTaskMeta(setState(datapb.CompactionTaskState_failed), setFailReason(err.Error()))
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return err2 == nil
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}
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err = t.sessions.Compaction(context.Background(), t.GetNodeID(), t.GetPlan())
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if err != nil {
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log.Warn("Failed to notify compaction tasks to DataNode", 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 *l0CompactionTask) processExecuting() bool {
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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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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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return t.processTimeout()
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}
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}
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return false
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case datapb.CompactionTaskState_completed:
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t.result = result
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saveSuccess := t.saveSegmentMeta()
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if !saveSuccess {
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return false
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}
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err := t.updateAndSaveTaskMeta(setState(datapb.CompactionTaskState_meta_saved))
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if err == nil {
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return t.processMetaSaved()
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}
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return false
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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 *l0CompactionTask) GetSpan() trace.Span {
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return t.span
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}
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func (t *l0CompactionTask) GetResult() *datapb.CompactionPlanResult {
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return t.result
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}
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func (t *l0CompactionTask) SetTask(task *datapb.CompactionTask) {
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t.CompactionTask = task
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}
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func (t *l0CompactionTask) SetSpan(span trace.Span) {
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t.span = span
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}
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func (t *l0CompactionTask) SetPlan(plan *datapb.CompactionPlan) {
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t.plan = plan
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}
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func (t *l0CompactionTask) 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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}
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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 *l0CompactionTask) 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 *l0CompactionTask) 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 *l0CompactionTask) GetPlan() *datapb.CompactionPlan {
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return t.plan
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}
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func (t *l0CompactionTask) SetStartTime(startTime int64) {
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t.StartTime = startTime
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}
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func (t *l0CompactionTask) NeedReAssignNodeID() bool {
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return t.GetState() == datapb.CompactionTaskState_pipelining && t.GetNodeID() == NullNodeID
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}
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func (t *l0CompactionTask) SetResult(result *datapb.CompactionPlanResult) {
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t.result = result
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}
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func (t *l0CompactionTask) 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 *l0CompactionTask) BuildCompactionRequest() (*datapb.CompactionPlan, error) {
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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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}
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log := log.With(zap.Int64("taskID", t.GetTriggerID()), zap.Int64("planID", plan.GetPlanID()))
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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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Deltalogs: segInfo.GetDeltalogs(),
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})
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}
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// Select sealed L1 segments for LevelZero compaction that meets the condition:
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// dmlPos < triggerInfo.pos
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sealedSegments := t.meta.SelectSegments(WithCollection(t.GetCollectionID()), SegmentFilterFunc(func(info *SegmentInfo) bool {
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return (t.GetPartitionID() == -1 || info.GetPartitionID() == t.GetPartitionID()) &&
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info.GetInsertChannel() == plan.GetChannel() &&
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isFlushState(info.GetState()) &&
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//!info.isCompacting &&
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!info.GetIsImporting() &&
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info.GetLevel() != datapb.SegmentLevel_L0 &&
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info.GetStartPosition().GetTimestamp() < t.GetPos().GetTimestamp()
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}))
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if len(sealedSegments) == 0 {
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// TO-DO fast finish l0 segment, just drop l0 segment
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log.Info("l0Compaction available non-L0 Segments is empty ")
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return nil, errors.Errorf("Selected zero L1/L2 segments for the position=%v", t.GetPos())
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}
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for _, segInfo := range sealedSegments {
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// TODO should allow parallel executing of l0 compaction
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if segInfo.isCompacting {
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log.Info("l0 compaction candidate segment is compacting")
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return nil, merr.WrapErrCompactionPlanConflict("segment is compacting")
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}
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}
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sealedSegBinlogs := lo.Map(sealedSegments, func(info *SegmentInfo, _ int) *datapb.CompactionSegmentBinlogs {
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return &datapb.CompactionSegmentBinlogs{
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SegmentID: info.GetID(),
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Field2StatslogPaths: info.GetStatslogs(),
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InsertChannel: info.GetInsertChannel(),
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Level: info.GetLevel(),
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CollectionID: info.GetCollectionID(),
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PartitionID: info.GetPartitionID(),
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}
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})
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plan.SegmentBinlogs = append(plan.SegmentBinlogs, sealedSegBinlogs...)
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log.Info("Compaction handler refreshed level zero compaction plan",
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zap.Any("target position", t.GetPos()),
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zap.Any("target segments count", len(sealedSegBinlogs)))
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return plan, nil
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}
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func (t *l0CompactionTask) processMetaSaved() bool {
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err := t.updateAndSaveTaskMeta(setState(datapb.CompactionTaskState_completed))
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if err == nil {
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return t.processCompleted()
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}
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return false
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}
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func (t *l0CompactionTask) 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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return false
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}
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t.resetSegmentCompacting()
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UpdateCompactionSegmentSizeMetrics(t.result.GetSegments())
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log.Info("handleCompactionResult: success to handle l0 compaction result")
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return true
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}
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func (t *l0CompactionTask) resetSegmentCompacting() {
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var segmentIDs []UniqueID
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for _, binLogs := range t.GetPlan().GetSegmentBinlogs() {
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segmentIDs = append(segmentIDs, binLogs.GetSegmentID())
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}
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t.meta.SetSegmentsCompacting(segmentIDs, false)
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}
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func (t *l0CompactionTask) processTimeout() bool {
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t.resetSegmentCompacting()
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return true
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}
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func (t *l0CompactionTask) 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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return false
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}
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t.resetSegmentCompacting()
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return true
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}
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func (t *l0CompactionTask) 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 *l0CompactionTask) 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 *l0CompactionTask) SetNodeID(id UniqueID) error {
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return t.updateAndSaveTaskMeta(setNodeID(id))
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}
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func (t *l0CompactionTask) saveTaskMeta(task *datapb.CompactionTask) error {
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return t.meta.SaveCompactionTask(task)
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}
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func (t *l0CompactionTask) SaveTaskMeta() error {
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return t.saveTaskMeta(t.CompactionTask)
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}
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func (t *l0CompactionTask) saveSegmentMeta() bool {
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result := t.result
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plan := t.GetPlan()
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var operators []UpdateOperator
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for _, seg := range result.GetSegments() {
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operators = append(operators, AddBinlogsOperator(seg.GetSegmentID(), nil, nil, seg.GetDeltalogs()))
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}
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levelZeroSegments := lo.Filter(plan.GetSegmentBinlogs(), func(b *datapb.CompactionSegmentBinlogs, _ int) bool {
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return b.GetLevel() == datapb.SegmentLevel_L0
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})
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for _, seg := range levelZeroSegments {
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operators = append(operators, UpdateStatusOperator(seg.GetSegmentID(), commonpb.SegmentState_Dropped), UpdateCompactedOperator(seg.GetSegmentID()))
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}
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log.Info("meta update: update segments info for level zero compaction",
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zap.Int64("planID", plan.GetPlanID()),
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)
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err := t.meta.UpdateSegmentsInfo(operators...)
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if err != nil {
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log.Info("Failed to saveSegmentMeta for compaction tasks to DataNode", zap.Error(err))
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return false
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}
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return true
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}
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