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777 lines
28 KiB
Go
777 lines
28 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 querynode
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/*
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#cgo pkg-config: milvus_segcore
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#include "segcore/collection_c.h"
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#include "segcore/segment_c.h"
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*/
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import "C"
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import (
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"errors"
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"fmt"
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"strconv"
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"sync"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus/internal/common"
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"github.com/milvus-io/milvus/internal/log"
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"github.com/milvus-io/milvus/internal/metrics"
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"github.com/milvus-io/milvus/internal/proto/datapb"
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"github.com/milvus-io/milvus/internal/proto/internalpb"
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"github.com/milvus-io/milvus/internal/proto/querypb"
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"github.com/milvus-io/milvus/internal/proto/schemapb"
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)
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// ReplicaInterface specifies all the methods that the Collection object needs to implement in QueryNode.
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// In common cases, the system has multiple query nodes. The full data of a collection will be distributed
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// across multiple query nodes, and each query node's collectionReplica will maintain its own part.
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type ReplicaInterface interface {
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// collection
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// getCollectionIDs returns all collection ids in the collectionReplica
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getCollectionIDs() []UniqueID
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// addCollection creates a new collection and add it to collectionReplica
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addCollection(collectionID UniqueID, schema *schemapb.CollectionSchema) *Collection
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// removeCollection removes the collection from collectionReplica
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removeCollection(collectionID UniqueID) error
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// getCollectionByID gets the collection which id is collectionID
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getCollectionByID(collectionID UniqueID) (*Collection, error)
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// hasCollection checks if collectionReplica has the collection which id is collectionID
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hasCollection(collectionID UniqueID) bool
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// getCollectionNum returns num of collections in collectionReplica
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getCollectionNum() int
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// getPartitionIDs returns partition ids of collection
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getPartitionIDs(collectionID UniqueID) ([]UniqueID, error)
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// getVecFieldIDsByCollectionID returns vector field ids of collection
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getVecFieldIDsByCollectionID(collectionID UniqueID) ([]FieldID, error)
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// getPKFieldIDsByCollectionID returns vector field ids of collection
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getPKFieldIDByCollectionID(collectionID UniqueID) (FieldID, error)
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// getSegmentInfosByColID return segments info by collectionID
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getSegmentInfosByColID(collectionID UniqueID) []*querypb.SegmentInfo
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// partition
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// addPartition adds a new partition to collection
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addPartition(collectionID UniqueID, partitionID UniqueID) error
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// removePartition removes the partition from collectionReplica
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removePartition(partitionID UniqueID) error
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// getPartitionByID returns the partition which id is partitionID
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getPartitionByID(partitionID UniqueID) (*Partition, error)
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// hasPartition returns true if collectionReplica has the partition, false otherwise
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hasPartition(partitionID UniqueID) bool
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// getPartitionNum returns num of partitions
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getPartitionNum() int
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// getSegmentIDs returns segment ids
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getSegmentIDs(partitionID UniqueID, segType segmentType) ([]UniqueID, error)
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// getSegmentIDsByVChannel returns segment ids which virtual channel is vChannel
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getSegmentIDsByVChannel(partitionID UniqueID, vChannel Channel) ([]UniqueID, error)
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// segment
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// addSegment add a new segment to collectionReplica
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addSegment(segmentID UniqueID, partitionID UniqueID, collectionID UniqueID, vChannelID Channel, segType segmentType) error
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// setSegment adds a segment to collectionReplica
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setSegment(segment *Segment) error
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// removeSegment removes a segment from collectionReplica
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removeSegment(segmentID UniqueID, segType segmentType)
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// getSegmentByID returns the segment which id is segmentID
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getSegmentByID(segmentID UniqueID, segType segmentType) (*Segment, error)
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// hasSegment returns true if collectionReplica has the segment, false otherwise
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hasSegment(segmentID UniqueID, segType segmentType) (bool, error)
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// getSegmentNum returns num of segments in collectionReplica
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getSegmentNum(segType segmentType) int
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// getSegmentStatistics returns the statistics of segments in collectionReplica
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getSegmentStatistics() []*internalpb.SegmentStats
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// excluded segments
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// removeExcludedSegments will remove excludedSegments from collectionReplica
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removeExcludedSegments(collectionID UniqueID)
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// addExcludedSegments will add excludedSegments to collectionReplica
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addExcludedSegments(collectionID UniqueID, segmentInfos []*datapb.SegmentInfo)
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// getExcludedSegments returns excludedSegments of collectionReplica
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getExcludedSegments(collectionID UniqueID) ([]*datapb.SegmentInfo, error)
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// getSegmentsMemSize get the memory size in bytes of all the Segments
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getSegmentsMemSize() int64
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// freeAll will free all meta info from collectionReplica
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freeAll()
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// printReplica prints the collections, partitions and segments in the collectionReplica
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printReplica()
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}
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// collectionReplica is the data replication of memory data in query node.
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// It implements `ReplicaInterface` interface.
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type metaReplica struct {
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mu sync.RWMutex // guards all
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collections map[UniqueID]*Collection
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partitions map[UniqueID]*Partition
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growingSegments map[UniqueID]*Segment
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sealedSegments map[UniqueID]*Segment
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excludedSegments map[UniqueID][]*datapb.SegmentInfo // map[collectionID]segmentIDs
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}
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// getSegmentsMemSize get the memory size in bytes of all the Segments
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func (replica *metaReplica) getSegmentsMemSize() int64 {
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replica.mu.RLock()
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defer replica.mu.RUnlock()
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memSize := int64(0)
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for _, segment := range replica.growingSegments {
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memSize += segment.getMemSize()
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}
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for _, segment := range replica.sealedSegments {
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memSize += segment.getMemSize()
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}
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return memSize
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}
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// printReplica prints the collections, partitions and segments in the collectionReplica
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func (replica *metaReplica) printReplica() {
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replica.mu.Lock()
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defer replica.mu.Unlock()
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log.Info("collections in collectionReplica", zap.Any("info", replica.collections))
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log.Info("partitions in collectionReplica", zap.Any("info", replica.partitions))
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log.Info("growingSegments in collectionReplica", zap.Any("info", replica.growingSegments))
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log.Info("sealedSegments in collectionReplica", zap.Any("info", replica.sealedSegments))
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log.Info("excludedSegments in collectionReplica", zap.Any("info", replica.excludedSegments))
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}
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//----------------------------------------------------------------------------------------------------- collection
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// getCollectionIDs gets all the collection ids in the collectionReplica
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func (replica *metaReplica) getCollectionIDs() []UniqueID {
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replica.mu.RLock()
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defer replica.mu.RUnlock()
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collectionIDs := make([]UniqueID, 0)
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for id := range replica.collections {
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collectionIDs = append(collectionIDs, id)
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}
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return collectionIDs
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}
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// addCollection creates a new collection and add it to collectionReplica
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func (replica *metaReplica) addCollection(collectionID UniqueID, schema *schemapb.CollectionSchema) *Collection {
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replica.mu.Lock()
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defer replica.mu.Unlock()
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if col, ok := replica.collections[collectionID]; ok {
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return col
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}
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var newC = newCollection(collectionID, schema)
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replica.collections[collectionID] = newC
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metrics.QueryNodeNumCollections.WithLabelValues(fmt.Sprint(Params.QueryNodeCfg.GetNodeID())).Set(float64(len(replica.collections)))
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return newC
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}
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// removeCollection removes the collection from collectionReplica
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func (replica *metaReplica) removeCollection(collectionID UniqueID) error {
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replica.mu.Lock()
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defer replica.mu.Unlock()
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return replica.removeCollectionPrivate(collectionID)
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}
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// removeCollectionPrivate is the private function in collectionReplica, to remove collection from collectionReplica
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func (replica *metaReplica) removeCollectionPrivate(collectionID UniqueID) error {
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collection, err := replica.getCollectionByIDPrivate(collectionID)
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if err != nil {
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return err
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}
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// block incoming search&query
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collection.Lock()
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defer collection.Unlock()
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// delete partitions
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for _, partitionID := range collection.partitionIDs {
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// ignore error, try to delete
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_ = replica.removePartitionPrivate(partitionID, true)
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}
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deleteCollection(collection)
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delete(replica.collections, collectionID)
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metrics.QueryNodeNumCollections.WithLabelValues(fmt.Sprint(Params.QueryNodeCfg.GetNodeID())).Set(float64(len(replica.collections)))
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metrics.QueryNodeNumPartitions.WithLabelValues(fmt.Sprint(Params.QueryNodeCfg.GetNodeID())).Sub(float64(len(collection.partitionIDs)))
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return nil
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}
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// getCollectionByID gets the collection which id is collectionID
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func (replica *metaReplica) getCollectionByID(collectionID UniqueID) (*Collection, error) {
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replica.mu.RLock()
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defer replica.mu.RUnlock()
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return replica.getCollectionByIDPrivate(collectionID)
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}
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// getCollectionByIDPrivate is the private function in collectionReplica, to get collection from collectionReplica
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func (replica *metaReplica) getCollectionByIDPrivate(collectionID UniqueID) (*Collection, error) {
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collection, ok := replica.collections[collectionID]
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if !ok {
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return nil, fmt.Errorf("collection hasn't been loaded or has been released, collection id = %d", collectionID)
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}
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return collection, nil
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}
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// hasCollection checks if collectionReplica has the collection which id is collectionID
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func (replica *metaReplica) hasCollection(collectionID UniqueID) bool {
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replica.mu.RLock()
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defer replica.mu.RUnlock()
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return replica.hasCollectionPrivate(collectionID)
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}
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// hasCollectionPrivate is the private function in collectionReplica, to check collection in collectionReplica
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func (replica *metaReplica) hasCollectionPrivate(collectionID UniqueID) bool {
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_, ok := replica.collections[collectionID]
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return ok
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}
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// getCollectionNum returns num of collections in collectionReplica
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func (replica *metaReplica) getCollectionNum() int {
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replica.mu.RLock()
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defer replica.mu.RUnlock()
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return len(replica.collections)
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}
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// getPartitionIDs returns partition ids of collection
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func (replica *metaReplica) getPartitionIDs(collectionID UniqueID) ([]UniqueID, error) {
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replica.mu.RLock()
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defer replica.mu.RUnlock()
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collection, err := replica.getCollectionByIDPrivate(collectionID)
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if err != nil {
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return nil, err
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}
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return collection.getPartitionIDs(), nil
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}
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func (replica *metaReplica) getIndexedFieldIDByCollectionIDPrivate(collectionID UniqueID, segment *Segment) ([]FieldID, error) {
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fields, err := replica.getFieldsByCollectionIDPrivate(collectionID)
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if err != nil {
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return nil, err
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}
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fieldIDS := make([]FieldID, 0)
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for _, field := range fields {
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if segment.hasLoadIndexForIndexedField(field.FieldID) {
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fieldIDS = append(fieldIDS, field.FieldID)
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}
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}
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return fieldIDS, nil
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}
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func (replica *metaReplica) getVecFieldIDsByCollectionIDPrivate(collectionID UniqueID) ([]FieldID, error) {
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fields, err := replica.getFieldsByCollectionIDPrivate(collectionID)
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if err != nil {
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return nil, err
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}
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vecFields := make([]FieldID, 0)
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for _, field := range fields {
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if field.DataType == schemapb.DataType_BinaryVector || field.DataType == schemapb.DataType_FloatVector {
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vecFields = append(vecFields, field.FieldID)
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}
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}
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return vecFields, nil
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}
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// getVecFieldIDsByCollectionID returns vector field ids of collection
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func (replica *metaReplica) getVecFieldIDsByCollectionID(collectionID UniqueID) ([]FieldID, error) {
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replica.mu.RLock()
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defer replica.mu.RUnlock()
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return replica.getVecFieldIDsByCollectionIDPrivate(collectionID)
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}
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// getPKFieldIDsByCollectionID returns vector field ids of collection
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func (replica *metaReplica) getPKFieldIDByCollectionID(collectionID UniqueID) (FieldID, error) {
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replica.mu.RLock()
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defer replica.mu.RUnlock()
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fields, err := replica.getFieldsByCollectionIDPrivate(collectionID)
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if err != nil {
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return common.InvalidFieldID, err
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}
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for _, field := range fields {
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if field.IsPrimaryKey {
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return field.FieldID, nil
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}
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}
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return common.InvalidFieldID, nil
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}
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// getFieldsByCollectionIDPrivate is the private function in collectionReplica, to return vector field ids of collection
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func (replica *metaReplica) getFieldsByCollectionIDPrivate(collectionID UniqueID) ([]*schemapb.FieldSchema, error) {
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collection, err := replica.getCollectionByIDPrivate(collectionID)
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if err != nil {
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return nil, err
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}
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if len(collection.Schema().Fields) <= 0 {
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return nil, errors.New("no field in collection %d" + strconv.FormatInt(collectionID, 10))
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}
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return collection.Schema().Fields, nil
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}
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// getSegmentInfosByColID return segments info by collectionID
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func (replica *metaReplica) getSegmentInfosByColID(collectionID UniqueID) []*querypb.SegmentInfo {
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replica.mu.RLock()
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defer replica.mu.RUnlock()
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segmentInfos := make([]*querypb.SegmentInfo, 0)
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_, ok := replica.collections[collectionID]
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if !ok {
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// collection not exist, so result segmentInfos is empty
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return segmentInfos
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}
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for _, segment := range replica.growingSegments {
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if segment.collectionID == collectionID {
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segmentInfo := replica.getSegmentInfo(segment)
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segmentInfos = append(segmentInfos, segmentInfo)
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}
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}
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for _, segment := range replica.sealedSegments {
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if segment.collectionID == collectionID {
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segmentInfo := replica.getSegmentInfo(segment)
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segmentInfos = append(segmentInfos, segmentInfo)
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}
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}
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return segmentInfos
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}
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//----------------------------------------------------------------------------------------------------- partition
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// addPartition adds a new partition to collection
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func (replica *metaReplica) addPartition(collectionID UniqueID, partitionID UniqueID) error {
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replica.mu.Lock()
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defer replica.mu.Unlock()
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return replica.addPartitionPrivate(collectionID, partitionID)
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}
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// addPartitionPrivate is the private function in collectionReplica, to add a new partition to collection
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func (replica *metaReplica) addPartitionPrivate(collectionID UniqueID, partitionID UniqueID) error {
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collection, err := replica.getCollectionByIDPrivate(collectionID)
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if err != nil {
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return err
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}
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if !replica.hasPartitionPrivate(partitionID) {
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collection.addPartitionID(partitionID)
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var newPartition = newPartition(collectionID, partitionID)
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replica.partitions[partitionID] = newPartition
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}
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metrics.QueryNodeNumPartitions.WithLabelValues(fmt.Sprint(Params.QueryNodeCfg.GetNodeID())).Set(float64(len(replica.partitions)))
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return nil
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}
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// removePartition removes the partition from collectionReplica
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func (replica *metaReplica) removePartition(partitionID UniqueID) error {
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replica.mu.Lock()
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defer replica.mu.Unlock()
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return replica.removePartitionPrivate(partitionID, false)
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}
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// removePartitionPrivate is the private function in collectionReplica, to remove the partition from collectionReplica
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// `locked` flag indicates whether corresponding collection lock is accquired before calling this method
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func (replica *metaReplica) removePartitionPrivate(partitionID UniqueID, locked bool) error {
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partition, err := replica.getPartitionByIDPrivate(partitionID)
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if err != nil {
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return err
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}
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collection, err := replica.getCollectionByIDPrivate(partition.collectionID)
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if err != nil {
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return err
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}
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if !locked {
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collection.Lock()
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defer collection.Unlock()
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}
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// delete segments
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ids, _ := partition.getSegmentIDs(segmentTypeGrowing)
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for _, segmentID := range ids {
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replica.removeSegmentPrivate(segmentID, segmentTypeGrowing)
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}
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ids, _ = partition.getSegmentIDs(segmentTypeSealed)
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for _, segmentID := range ids {
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replica.removeSegmentPrivate(segmentID, segmentTypeSealed)
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}
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collection.removePartitionID(partitionID)
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delete(replica.partitions, partitionID)
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metrics.QueryNodeNumPartitions.WithLabelValues(fmt.Sprint(Params.QueryNodeCfg.GetNodeID())).Set(float64(len(replica.partitions)))
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return nil
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}
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// getPartitionByID returns the partition which id is partitionID
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func (replica *metaReplica) getPartitionByID(partitionID UniqueID) (*Partition, error) {
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replica.mu.RLock()
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defer replica.mu.RUnlock()
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return replica.getPartitionByIDPrivate(partitionID)
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}
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// getPartitionByIDPrivate is the private function in collectionReplica, to get the partition
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func (replica *metaReplica) getPartitionByIDPrivate(partitionID UniqueID) (*Partition, error) {
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partition, ok := replica.partitions[partitionID]
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if !ok {
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return nil, fmt.Errorf("partition %d hasn't been loaded or has been released", partitionID)
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}
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return partition, nil
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}
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// hasPartition returns true if collectionReplica has the partition, false otherwise
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func (replica *metaReplica) hasPartition(partitionID UniqueID) bool {
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replica.mu.RLock()
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defer replica.mu.RUnlock()
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return replica.hasPartitionPrivate(partitionID)
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}
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// hasPartitionPrivate is the private function in collectionReplica, to check if collectionReplica has the partition
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func (replica *metaReplica) hasPartitionPrivate(partitionID UniqueID) bool {
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_, ok := replica.partitions[partitionID]
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return ok
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}
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// getPartitionNum returns num of partitions
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func (replica *metaReplica) getPartitionNum() int {
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replica.mu.RLock()
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defer replica.mu.RUnlock()
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return len(replica.partitions)
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}
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// getSegmentIDs returns segment ids
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func (replica *metaReplica) getSegmentIDs(partitionID UniqueID, segType segmentType) ([]UniqueID, error) {
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replica.mu.RLock()
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defer replica.mu.RUnlock()
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return replica.getSegmentIDsPrivate(partitionID, segType)
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}
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// getSegmentIDsByVChannel returns segment ids which virtual channel is vChannel
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func (replica *metaReplica) getSegmentIDsByVChannel(partitionID UniqueID, vChannel Channel) ([]UniqueID, error) {
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|
replica.mu.RLock()
|
|
defer replica.mu.RUnlock()
|
|
segmentIDs, err := replica.getSegmentIDsPrivate(partitionID, segmentTypeGrowing)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
segmentIDsTmp := make([]UniqueID, 0)
|
|
for _, segmentID := range segmentIDs {
|
|
segment, err := replica.getSegmentByIDPrivate(segmentID, segmentTypeGrowing)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if segment.vChannelID == vChannel {
|
|
segmentIDsTmp = append(segmentIDsTmp, segment.ID())
|
|
}
|
|
}
|
|
|
|
return segmentIDsTmp, nil
|
|
}
|
|
|
|
// getSegmentIDsPrivate is private function in collectionReplica, it returns segment ids
|
|
func (replica *metaReplica) getSegmentIDsPrivate(partitionID UniqueID, segType segmentType) ([]UniqueID, error) {
|
|
partition, err2 := replica.getPartitionByIDPrivate(partitionID)
|
|
if err2 != nil {
|
|
return nil, err2
|
|
}
|
|
|
|
return partition.getSegmentIDs(segType)
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------------------------- segment
|
|
// addSegment add a new segment to collectionReplica
|
|
func (replica *metaReplica) addSegment(segmentID UniqueID, partitionID UniqueID, collectionID UniqueID, vChannelID Channel, segType segmentType) error {
|
|
replica.mu.Lock()
|
|
defer replica.mu.Unlock()
|
|
|
|
collection, err := replica.getCollectionByIDPrivate(collectionID)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
seg, err := newSegment(collection, segmentID, partitionID, collectionID, vChannelID, segType)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return replica.addSegmentPrivate(segmentID, partitionID, seg)
|
|
}
|
|
|
|
// addSegmentPrivate is private function in collectionReplica, to add a new segment to collectionReplica
|
|
func (replica *metaReplica) addSegmentPrivate(segmentID UniqueID, partitionID UniqueID, segment *Segment) error {
|
|
partition, err := replica.getPartitionByIDPrivate(partitionID)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
segType := segment.getType()
|
|
ok, err := replica.hasSegmentPrivate(segmentID, segType)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if ok {
|
|
return nil
|
|
}
|
|
partition.addSegmentID(segmentID, segType)
|
|
|
|
switch segType {
|
|
case segmentTypeGrowing:
|
|
replica.growingSegments[segmentID] = segment
|
|
case segmentTypeSealed:
|
|
replica.sealedSegments[segmentID] = segment
|
|
default:
|
|
return fmt.Errorf("unexpected segment type, segmentID = %d, segmentType = %s", segmentID, segType.String())
|
|
}
|
|
|
|
metrics.QueryNodeNumSegments.WithLabelValues(fmt.Sprint(Params.QueryNodeCfg.GetNodeID())).Inc()
|
|
rowCount := segment.getRowCount()
|
|
if rowCount > 0 {
|
|
metrics.QueryNodeNumEntities.WithLabelValues(fmt.Sprint(Params.QueryNodeCfg.GetNodeID())).Add(float64(rowCount))
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// setSegment adds a segment to collectionReplica
|
|
func (replica *metaReplica) setSegment(segment *Segment) error {
|
|
replica.mu.Lock()
|
|
defer replica.mu.Unlock()
|
|
|
|
if segment == nil {
|
|
return fmt.Errorf("nil segment when setSegment")
|
|
}
|
|
|
|
_, err := replica.getCollectionByIDPrivate(segment.collectionID)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return replica.addSegmentPrivate(segment.segmentID, segment.partitionID, segment)
|
|
}
|
|
|
|
// removeSegment removes a segment from collectionReplica
|
|
func (replica *metaReplica) removeSegment(segmentID UniqueID, segType segmentType) {
|
|
replica.mu.Lock()
|
|
defer replica.mu.Unlock()
|
|
replica.removeSegmentPrivate(segmentID, segType)
|
|
}
|
|
|
|
// removeSegmentPrivate is private function in collectionReplica, to remove a segment from collectionReplica
|
|
func (replica *metaReplica) removeSegmentPrivate(segmentID UniqueID, segType segmentType) {
|
|
var rowCount int64
|
|
switch segType {
|
|
case segmentTypeGrowing:
|
|
if segment, ok := replica.growingSegments[segmentID]; ok {
|
|
if partition, ok := replica.partitions[segment.partitionID]; ok {
|
|
partition.removeSegmentID(segmentID, segType)
|
|
}
|
|
rowCount = segment.getRowCount()
|
|
delete(replica.growingSegments, segmentID)
|
|
deleteSegment(segment)
|
|
}
|
|
case segmentTypeSealed:
|
|
if segment, ok := replica.sealedSegments[segmentID]; ok {
|
|
if partition, ok := replica.partitions[segment.partitionID]; ok {
|
|
partition.removeSegmentID(segmentID, segType)
|
|
}
|
|
|
|
rowCount = segment.getRowCount()
|
|
delete(replica.sealedSegments, segmentID)
|
|
deleteSegment(segment)
|
|
}
|
|
default:
|
|
panic("unsupported segment type")
|
|
}
|
|
|
|
metrics.QueryNodeNumSegments.WithLabelValues(fmt.Sprint(Params.QueryNodeCfg.GetNodeID())).Dec()
|
|
if rowCount > 0 {
|
|
metrics.QueryNodeNumEntities.WithLabelValues(fmt.Sprint(Params.QueryNodeCfg.GetNodeID())).Sub(float64(rowCount))
|
|
}
|
|
}
|
|
|
|
// getSegmentByID returns the segment which id is segmentID
|
|
func (replica *metaReplica) getSegmentByID(segmentID UniqueID, segType segmentType) (*Segment, error) {
|
|
replica.mu.RLock()
|
|
defer replica.mu.RUnlock()
|
|
return replica.getSegmentByIDPrivate(segmentID, segType)
|
|
}
|
|
|
|
// getSegmentByIDPrivate is private function in collectionReplica, it returns the segment which id is segmentID
|
|
func (replica *metaReplica) getSegmentByIDPrivate(segmentID UniqueID, segType segmentType) (*Segment, error) {
|
|
switch segType {
|
|
case segmentTypeGrowing:
|
|
segment, ok := replica.growingSegments[segmentID]
|
|
if !ok {
|
|
return nil, fmt.Errorf("cannot find growing segment %d in QueryNode", segmentID)
|
|
}
|
|
return segment, nil
|
|
case segmentTypeSealed:
|
|
segment, ok := replica.sealedSegments[segmentID]
|
|
if !ok {
|
|
return nil, fmt.Errorf("cannot find sealed segment %d in QueryNode", segmentID)
|
|
}
|
|
return segment, nil
|
|
default:
|
|
return nil, fmt.Errorf("unexpected segment type, segmentID = %d, segmentType = %s", segmentID, segType.String())
|
|
}
|
|
}
|
|
|
|
// hasSegment returns true if collectionReplica has the segment, false otherwise
|
|
func (replica *metaReplica) hasSegment(segmentID UniqueID, segType segmentType) (bool, error) {
|
|
replica.mu.RLock()
|
|
defer replica.mu.RUnlock()
|
|
return replica.hasSegmentPrivate(segmentID, segType)
|
|
}
|
|
|
|
// hasSegmentPrivate is private function in collectionReplica, to check if collectionReplica has the segment
|
|
func (replica *metaReplica) hasSegmentPrivate(segmentID UniqueID, segType segmentType) (bool, error) {
|
|
switch segType {
|
|
case segmentTypeGrowing:
|
|
_, ok := replica.growingSegments[segmentID]
|
|
return ok, nil
|
|
case segmentTypeSealed:
|
|
_, ok := replica.sealedSegments[segmentID]
|
|
return ok, nil
|
|
default:
|
|
return false, fmt.Errorf("unexpected segment type, segmentID = %d, segmentType = %s", segmentID, segType.String())
|
|
}
|
|
}
|
|
|
|
// getSegmentNum returns num of segments in collectionReplica
|
|
func (replica *metaReplica) getSegmentNum(segType segmentType) int {
|
|
replica.mu.RLock()
|
|
defer replica.mu.RUnlock()
|
|
|
|
switch segType {
|
|
case segmentTypeGrowing:
|
|
return len(replica.growingSegments)
|
|
case segmentTypeSealed:
|
|
return len(replica.sealedSegments)
|
|
default:
|
|
log.Error("unexpected segment type", zap.String("segmentType", segType.String()))
|
|
return 0
|
|
}
|
|
}
|
|
|
|
// getSegmentStatistics returns the statistics of segments in collectionReplica
|
|
func (replica *metaReplica) getSegmentStatistics() []*internalpb.SegmentStats {
|
|
// TODO: deprecated
|
|
return nil
|
|
}
|
|
|
|
// removeExcludedSegments will remove excludedSegments from collectionReplica
|
|
func (replica *metaReplica) removeExcludedSegments(collectionID UniqueID) {
|
|
replica.mu.Lock()
|
|
defer replica.mu.Unlock()
|
|
|
|
delete(replica.excludedSegments, collectionID)
|
|
}
|
|
|
|
// addExcludedSegments will add excludedSegments to collectionReplica
|
|
func (replica *metaReplica) addExcludedSegments(collectionID UniqueID, segmentInfos []*datapb.SegmentInfo) {
|
|
replica.mu.Lock()
|
|
defer replica.mu.Unlock()
|
|
|
|
if _, ok := replica.excludedSegments[collectionID]; !ok {
|
|
replica.excludedSegments[collectionID] = make([]*datapb.SegmentInfo, 0)
|
|
}
|
|
|
|
replica.excludedSegments[collectionID] = append(replica.excludedSegments[collectionID], segmentInfos...)
|
|
}
|
|
|
|
// getExcludedSegments returns excludedSegments of collectionReplica
|
|
func (replica *metaReplica) getExcludedSegments(collectionID UniqueID) ([]*datapb.SegmentInfo, error) {
|
|
replica.mu.RLock()
|
|
defer replica.mu.RUnlock()
|
|
|
|
if _, ok := replica.excludedSegments[collectionID]; !ok {
|
|
return nil, errors.New("getExcludedSegments failed, cannot found collection, id =" + fmt.Sprintln(collectionID))
|
|
}
|
|
|
|
return replica.excludedSegments[collectionID], nil
|
|
}
|
|
|
|
// freeAll will free all meta info from collectionReplica
|
|
func (replica *metaReplica) freeAll() {
|
|
replica.mu.Lock()
|
|
defer replica.mu.Unlock()
|
|
|
|
for id := range replica.collections {
|
|
_ = replica.removeCollectionPrivate(id)
|
|
}
|
|
|
|
replica.collections = make(map[UniqueID]*Collection)
|
|
replica.partitions = make(map[UniqueID]*Partition)
|
|
replica.growingSegments = make(map[UniqueID]*Segment)
|
|
replica.sealedSegments = make(map[UniqueID]*Segment)
|
|
}
|
|
|
|
// newCollectionReplica returns a new ReplicaInterface
|
|
func newCollectionReplica() ReplicaInterface {
|
|
var replica ReplicaInterface = &metaReplica{
|
|
collections: make(map[UniqueID]*Collection),
|
|
partitions: make(map[UniqueID]*Partition),
|
|
growingSegments: make(map[UniqueID]*Segment),
|
|
sealedSegments: make(map[UniqueID]*Segment),
|
|
|
|
excludedSegments: make(map[UniqueID][]*datapb.SegmentInfo),
|
|
}
|
|
|
|
return replica
|
|
}
|
|
|
|
// trans segment to queryPb.segmentInfo
|
|
func (replica *metaReplica) getSegmentInfo(segment *Segment) *querypb.SegmentInfo {
|
|
var indexName string
|
|
var indexID int64
|
|
var indexInfos []*querypb.FieldIndexInfo
|
|
// TODO:: segment has multi vec column
|
|
indexedFieldIDs, _ := replica.getIndexedFieldIDByCollectionIDPrivate(segment.collectionID, segment)
|
|
for _, fieldID := range indexedFieldIDs {
|
|
fieldInfo, err := segment.getIndexedFieldInfo(fieldID)
|
|
if err == nil {
|
|
indexName = fieldInfo.indexInfo.IndexName
|
|
indexID = fieldInfo.indexInfo.IndexID
|
|
indexInfos = append(indexInfos, fieldInfo.indexInfo)
|
|
}
|
|
}
|
|
info := &querypb.SegmentInfo{
|
|
SegmentID: segment.ID(),
|
|
CollectionID: segment.collectionID,
|
|
PartitionID: segment.partitionID,
|
|
NodeID: Params.QueryNodeCfg.GetNodeID(),
|
|
MemSize: segment.getMemSize(),
|
|
NumRows: segment.getRowCount(),
|
|
IndexName: indexName,
|
|
IndexID: indexID,
|
|
DmChannel: segment.vChannelID,
|
|
SegmentState: segment.segmentType,
|
|
IndexInfos: indexInfos,
|
|
NodeIds: []UniqueID{Params.QueryNodeCfg.GetNodeID()},
|
|
}
|
|
return info
|
|
}
|