// Licensed to the LF AI & Data foundation under one // or more contributor license agreements. See the NOTICE file // distributed with this work for additional information // regarding copyright ownership. The ASF licenses this file // to you under the Apache License, Version 2.0 (the // "License"); you may not use this file except in compliance // with the License. You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package importv2 import ( "context" "fmt" "io" "math" "time" "github.com/cockroachdb/errors" "github.com/samber/lo" "go.uber.org/zap" "github.com/milvus-io/milvus-proto/go-api/v2/schemapb" "github.com/milvus-io/milvus/internal/allocator" "github.com/milvus-io/milvus/internal/datanode/metacache" "github.com/milvus-io/milvus/internal/datanode/syncmgr" "github.com/milvus-io/milvus/internal/proto/datapb" "github.com/milvus-io/milvus/internal/storage" "github.com/milvus-io/milvus/internal/util/importutilv2/binlog" "github.com/milvus-io/milvus/pkg/log" "github.com/milvus-io/milvus/pkg/util/conc" "github.com/milvus-io/milvus/pkg/util/merr" "github.com/milvus-io/milvus/pkg/util/paramtable" "github.com/milvus-io/milvus/pkg/util/typeutil" ) type L0ImportTask struct { *datapb.ImportTaskV2 ctx context.Context cancel context.CancelFunc segmentsInfo map[int64]*datapb.ImportSegmentInfo req *datapb.ImportRequest allocator allocator.Interface manager TaskManager syncMgr syncmgr.SyncManager cm storage.ChunkManager metaCaches map[string]metacache.MetaCache } func NewL0ImportTask(req *datapb.ImportRequest, manager TaskManager, syncMgr syncmgr.SyncManager, cm storage.ChunkManager, ) Task { ctx, cancel := context.WithCancel(context.Background()) // Setting end as math.MaxInt64 to incrementally allocate logID. alloc := allocator.NewLocalAllocator(req.GetIDRange().GetBegin(), math.MaxInt64) task := &L0ImportTask{ ImportTaskV2: &datapb.ImportTaskV2{ JobID: req.GetJobID(), TaskID: req.GetTaskID(), CollectionID: req.GetCollectionID(), State: datapb.ImportTaskStateV2_Pending, }, ctx: ctx, cancel: cancel, segmentsInfo: make(map[int64]*datapb.ImportSegmentInfo), req: req, allocator: alloc, manager: manager, syncMgr: syncMgr, cm: cm, } task.metaCaches = NewMetaCache(req) return task } func (t *L0ImportTask) GetType() TaskType { return L0ImportTaskType } func (t *L0ImportTask) GetPartitionIDs() []int64 { return t.req.GetPartitionIDs() } func (t *L0ImportTask) GetVchannels() []string { return t.req.GetVchannels() } func (t *L0ImportTask) GetSchema() *schemapb.CollectionSchema { return t.req.GetSchema() } func (t *L0ImportTask) Cancel() { t.cancel() } func (t *L0ImportTask) GetSegmentsInfo() []*datapb.ImportSegmentInfo { return lo.Values(t.segmentsInfo) } func (t *L0ImportTask) Clone() Task { ctx, cancel := context.WithCancel(t.ctx) infos := make(map[int64]*datapb.ImportSegmentInfo) for id, info := range t.segmentsInfo { infos[id] = typeutil.Clone(info) } return &L0ImportTask{ ImportTaskV2: typeutil.Clone(t.ImportTaskV2), ctx: ctx, cancel: cancel, segmentsInfo: infos, req: t.req, metaCaches: t.metaCaches, } } func (t *L0ImportTask) Execute() []*conc.Future[any] { bufferSize := paramtable.Get().DataNodeCfg.ReadBufferSizeInMB.GetAsInt() * 1024 * 1024 log.Info("start to import l0", WrapLogFields(t, zap.Int("bufferSize", bufferSize), zap.Any("schema", t.GetSchema()))...) t.manager.Update(t.GetTaskID(), UpdateState(datapb.ImportTaskStateV2_InProgress)) fn := func() (err error) { defer func() { if err != nil { log.Warn("l0 import task execute failed", WrapLogFields(t, zap.Error(err))...) t.manager.Update(t.GetTaskID(), UpdateState(datapb.ImportTaskStateV2_Failed), UpdateReason(err.Error())) } }() if len(t.req.GetFiles()) != 1 { err = merr.WrapErrImportFailed( fmt.Sprintf("there should be one prefix for l0 import, but got %v", t.req.GetFiles())) return } pkField, err := typeutil.GetPrimaryFieldSchema(t.GetSchema()) if err != nil { return } reader, err := binlog.NewL0Reader(t.ctx, t.cm, pkField, t.req.GetFiles()[0], bufferSize) if err != nil { return } start := time.Now() err = t.importL0(reader) if err != nil { return } log.Info("l0 import done", WrapLogFields(t, zap.Strings("l0 prefix", t.req.GetFiles()[0].GetPaths()), zap.Duration("dur", time.Since(start)))...) return nil } f := GetExecPool().Submit(func() (any, error) { err := fn() return err, err }) return []*conc.Future[any]{f} } func (t *L0ImportTask) importL0(reader binlog.L0Reader) error { syncFutures := make([]*conc.Future[struct{}], 0) syncTasks := make([]syncmgr.Task, 0) for { data, err := reader.Read() if err != nil { if errors.Is(err, io.EOF) { break } return err } delData, err := HashDeleteData(t, data) if err != nil { return err } fs, sts, err := t.syncDelete(delData) if err != nil { return err } syncFutures = append(syncFutures, fs...) syncTasks = append(syncTasks, sts...) } err := conc.AwaitAll(syncFutures...) if err != nil { return err } for _, syncTask := range syncTasks { segmentInfo, err := NewImportSegmentInfo(syncTask, t.metaCaches) if err != nil { return err } t.manager.Update(t.GetTaskID(), UpdateSegmentInfo(segmentInfo)) log.Info("sync l0 data done", WrapLogFields(t, zap.Any("segmentInfo", segmentInfo))...) } return nil } func (t *L0ImportTask) syncDelete(delData []*storage.DeleteData) ([]*conc.Future[struct{}], []syncmgr.Task, error) { log.Info("start to sync l0 delete data", WrapLogFields(t)...) futures := make([]*conc.Future[struct{}], 0) syncTasks := make([]syncmgr.Task, 0) for channelIdx, data := range delData { channel := t.GetVchannels()[channelIdx] if data.RowCount == 0 { continue } partitionID := t.GetPartitionIDs()[0] segmentID := PickSegment(t.req.GetRequestSegments(), channel, partitionID) syncTask, err := NewSyncTask(t.ctx, t.allocator, t.metaCaches, t.req.GetTs(), segmentID, partitionID, t.GetCollectionID(), channel, nil, data) if err != nil { return nil, nil, err } future := t.syncMgr.SyncData(t.ctx, syncTask) futures = append(futures, future) syncTasks = append(syncTasks, syncTask) } return futures, syncTasks, nil }