mirror of
https://gitee.com/milvus-io/milvus.git
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84 lines
2.4 KiB
Go
84 lines
2.4 KiB
Go
package writebuffer
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import (
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"context"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus-proto/go-api/v2/msgpb"
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"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
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"github.com/milvus-io/milvus/internal/allocator"
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"github.com/milvus-io/milvus/internal/datanode/metacache"
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"github.com/milvus-io/milvus/internal/datanode/syncmgr"
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"github.com/milvus-io/milvus/internal/storage"
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"github.com/milvus-io/milvus/pkg/log"
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"github.com/milvus-io/milvus/pkg/mq/msgstream"
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"github.com/milvus-io/milvus/pkg/util/merr"
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"github.com/milvus-io/milvus/pkg/util/retry"
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)
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type l0WriteBuffer struct {
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*writeBufferBase
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l0Segments map[int64]int64 // partitionID => l0 segment ID
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syncMgr syncmgr.SyncManager
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idAllocator allocator.Interface
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}
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func NewL0WriteBuffer(sch *schemapb.CollectionSchema, metacache metacache.MetaCache, syncMgr syncmgr.SyncManager, option *writeBufferOption) (WriteBuffer, error) {
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if option.idAllocator == nil {
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return nil, merr.WrapErrServiceInternal("id allocator is nil when creating l0 write buffer")
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}
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return &l0WriteBuffer{
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l0Segments: make(map[int64]int64),
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writeBufferBase: newWriteBufferBase(sch, metacache, syncMgr, option),
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syncMgr: syncMgr,
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idAllocator: option.idAllocator,
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}, nil
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}
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func (wb *l0WriteBuffer) BufferData(insertMsgs []*msgstream.InsertMsg, deleteMsgs []*msgstream.DeleteMsg, startPos, endPos *msgpb.MsgPosition) error {
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wb.mut.Lock()
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defer wb.mut.Unlock()
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// process insert msgs
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_, err := wb.bufferInsert(insertMsgs, startPos, endPos)
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if err != nil {
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log.Warn("failed to buffer insert data", zap.Error(err))
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return err
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}
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for _, msg := range deleteMsgs {
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l0SegmentID := wb.getL0SegmentID(msg.GetPartitionID())
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pks := storage.ParseIDs2PrimaryKeys(msg.GetPrimaryKeys())
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err := wb.bufferDelete(l0SegmentID, pks, msg.GetTimestamps(), startPos, endPos)
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if err != nil {
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log.Warn("failed to buffer delete data", zap.Error(err))
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return err
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}
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}
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// update buffer last checkpoint
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wb.checkpoint = endPos
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return wb.triggerAutoSync()
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}
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func (wb *l0WriteBuffer) getL0SegmentID(partitionID int64) int64 {
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segmentID, ok := wb.l0Segments[partitionID]
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if !ok {
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err := retry.Do(context.Background(), func() error {
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var err error
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segmentID, err = wb.idAllocator.AllocOne()
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return err
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})
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if err != nil {
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log.Error("failed to allocate l0 segment ID", zap.Error(err))
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panic(err)
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}
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wb.l0Segments[partitionID] = segmentID
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}
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return segmentID
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}
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