mirror of
https://gitee.com/milvus-io/milvus.git
synced 2024-12-01 11:29:48 +08:00
1049 lines
32 KiB
Go
1049 lines
32 KiB
Go
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "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 distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and limitations under the License.
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package rootcoord
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import (
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"fmt"
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"path"
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"strconv"
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"sync"
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"github.com/golang/protobuf/proto"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus/internal/kv"
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"github.com/milvus-io/milvus/internal/log"
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"github.com/milvus-io/milvus/internal/proto/commonpb"
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pb "github.com/milvus-io/milvus/internal/proto/etcdpb"
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"github.com/milvus-io/milvus/internal/proto/schemapb"
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"github.com/milvus-io/milvus/internal/util/typeutil"
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)
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const (
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ComponentPrefix = "root-coord"
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TenantMetaPrefix = ComponentPrefix + "/tenant"
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ProxyMetaPrefix = ComponentPrefix + "/proxy"
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CollectionMetaPrefix = ComponentPrefix + "/collection"
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SegmentIndexMetaPrefix = ComponentPrefix + "/segment-index"
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IndexMetaPrefix = ComponentPrefix + "/index"
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TimestampPrefix = ComponentPrefix + "/timestamp"
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DDOperationPrefix = ComponentPrefix + "/dd-operation"
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DDMsgSendPrefix = ComponentPrefix + "/dd-msg-send"
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CreateCollectionDDType = "CreateCollection"
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DropCollectionDDType = "DropCollection"
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CreatePartitionDDType = "CreatePartition"
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DropPartitionDDType = "DropPartition"
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)
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type metaTable struct {
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client kv.SnapShotKV // client of a reliable kv service, i.e. etcd client
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tenantID2Meta map[typeutil.UniqueID]pb.TenantMeta // tenant id to tenant meta
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proxyID2Meta map[typeutil.UniqueID]pb.ProxyMeta // proxy id to proxy meta
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collID2Meta map[typeutil.UniqueID]pb.CollectionInfo // collection_id -> meta
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collName2ID map[string]typeutil.UniqueID // collection name to collection id
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partID2SegID map[typeutil.UniqueID]map[typeutil.UniqueID]bool // partition_id -> segment_id -> bool
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segID2IndexMeta map[typeutil.UniqueID]map[typeutil.UniqueID]pb.SegmentIndexInfo // collection_id/index_id/partition_id/segment_id -> meta
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indexID2Meta map[typeutil.UniqueID]pb.IndexInfo // collection_id/index_id -> meta
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tenantLock sync.RWMutex
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proxyLock sync.RWMutex
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ddLock sync.RWMutex
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}
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func NewMetaTable(kv kv.SnapShotKV) (*metaTable, error) {
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mt := &metaTable{
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client: kv,
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tenantLock: sync.RWMutex{},
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proxyLock: sync.RWMutex{},
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ddLock: sync.RWMutex{},
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}
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err := mt.reloadFromKV()
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if err != nil {
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return nil, err
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}
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return mt, nil
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}
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func (mt *metaTable) reloadFromKV() error {
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mt.tenantID2Meta = make(map[typeutil.UniqueID]pb.TenantMeta)
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mt.proxyID2Meta = make(map[typeutil.UniqueID]pb.ProxyMeta)
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mt.collID2Meta = make(map[typeutil.UniqueID]pb.CollectionInfo)
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mt.collName2ID = make(map[string]typeutil.UniqueID)
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mt.partID2SegID = make(map[typeutil.UniqueID]map[typeutil.UniqueID]bool)
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mt.segID2IndexMeta = make(map[typeutil.UniqueID]map[typeutil.UniqueID]pb.SegmentIndexInfo)
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mt.indexID2Meta = make(map[typeutil.UniqueID]pb.IndexInfo)
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_, values, err := mt.client.LoadWithPrefix(TenantMetaPrefix, 0)
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if err != nil {
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return err
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}
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for _, value := range values {
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tenantMeta := pb.TenantMeta{}
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err := proto.UnmarshalText(value, &tenantMeta)
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if err != nil {
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return fmt.Errorf("RootCoord UnmarshalText pb.TenantMeta err:%w", err)
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}
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mt.tenantID2Meta[tenantMeta.ID] = tenantMeta
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}
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_, values, err = mt.client.LoadWithPrefix(ProxyMetaPrefix, 0)
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if err != nil {
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return err
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}
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for _, value := range values {
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proxyMeta := pb.ProxyMeta{}
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err = proto.UnmarshalText(value, &proxyMeta)
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if err != nil {
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return fmt.Errorf("RootCoord UnmarshalText pb.ProxyMeta err:%w", err)
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}
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mt.proxyID2Meta[proxyMeta.ID] = proxyMeta
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}
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_, values, err = mt.client.LoadWithPrefix(CollectionMetaPrefix, 0)
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if err != nil {
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return err
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}
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for _, value := range values {
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collInfo := pb.CollectionInfo{}
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err = proto.UnmarshalText(value, &collInfo)
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if err != nil {
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return fmt.Errorf("RootCoord UnmarshalText pb.CollectionInfo err:%w", err)
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}
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mt.collID2Meta[collInfo.ID] = collInfo
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mt.collName2ID[collInfo.Schema.Name] = collInfo.ID
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}
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_, values, err = mt.client.LoadWithPrefix(SegmentIndexMetaPrefix, 0)
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if err != nil {
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return err
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}
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for _, value := range values {
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segmentIndexInfo := pb.SegmentIndexInfo{}
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err = proto.UnmarshalText(value, &segmentIndexInfo)
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if err != nil {
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return fmt.Errorf("RootCoord UnmarshalText pb.SegmentIndexInfo err:%w", err)
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}
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// update partID2SegID
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segIDMap, ok := mt.partID2SegID[segmentIndexInfo.PartitionID]
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if ok {
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segIDMap[segmentIndexInfo.SegmentID] = true
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} else {
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idMap := make(map[typeutil.UniqueID]bool)
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idMap[segmentIndexInfo.SegmentID] = true
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mt.partID2SegID[segmentIndexInfo.PartitionID] = idMap
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}
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// update segID2IndexMeta
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idx, ok := mt.segID2IndexMeta[segmentIndexInfo.SegmentID]
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if ok {
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idx[segmentIndexInfo.IndexID] = segmentIndexInfo
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} else {
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meta := make(map[typeutil.UniqueID]pb.SegmentIndexInfo)
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meta[segmentIndexInfo.IndexID] = segmentIndexInfo
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mt.segID2IndexMeta[segmentIndexInfo.SegmentID] = meta
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}
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}
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_, values, err = mt.client.LoadWithPrefix(IndexMetaPrefix, 0)
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if err != nil {
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return err
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}
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for _, value := range values {
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meta := pb.IndexInfo{}
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err = proto.UnmarshalText(value, &meta)
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if err != nil {
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return fmt.Errorf("RootCoord UnmarshalText pb.IndexInfo err:%w", err)
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}
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mt.indexID2Meta[meta.IndexID] = meta
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}
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log.Debug("reload meta table from KV successfully")
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return nil
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}
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func (mt *metaTable) getAdditionKV(op func(ts typeutil.Timestamp) (string, error), meta map[string]string) func(ts typeutil.Timestamp) (string, string, error) {
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if op == nil {
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return nil
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}
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meta[DDMsgSendPrefix] = "false"
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return func(ts typeutil.Timestamp) (string, string, error) {
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val, err := op(ts)
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if err != nil {
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return "", "", err
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}
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return DDOperationPrefix, val, nil
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}
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}
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func (mt *metaTable) AddTenant(te *pb.TenantMeta, ts typeutil.Timestamp) error {
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mt.tenantLock.Lock()
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defer mt.tenantLock.Unlock()
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k := fmt.Sprintf("%s/%d", TenantMetaPrefix, te.ID)
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v := proto.MarshalTextString(te)
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err := mt.client.Save(k, v, ts)
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if err != nil {
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log.Error("SnapShotKV Save fail", zap.Error(err))
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panic("SnapShotKV Save fail")
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}
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mt.tenantID2Meta[te.ID] = *te
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return nil
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}
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func (mt *metaTable) AddProxy(po *pb.ProxyMeta, ts typeutil.Timestamp) error {
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mt.proxyLock.Lock()
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defer mt.proxyLock.Unlock()
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k := fmt.Sprintf("%s/%d", ProxyMetaPrefix, po.ID)
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v := proto.MarshalTextString(po)
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err := mt.client.Save(k, v, ts)
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if err != nil {
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log.Error("SnapShotKV Save fail", zap.Error(err))
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panic("SnapShotKV Save fail")
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}
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mt.proxyID2Meta[po.ID] = *po
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return nil
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}
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func (mt *metaTable) AddCollection(coll *pb.CollectionInfo, ts typeutil.Timestamp, idx []*pb.IndexInfo, ddOpStr func(ts typeutil.Timestamp) (string, error)) error {
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mt.ddLock.Lock()
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defer mt.ddLock.Unlock()
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if len(coll.PartitionIDs) != len(coll.PartitionNames) ||
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len(coll.PartitionIDs) != len(coll.PartitionCreatedTimestamps) ||
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(len(coll.PartitionIDs) != 1 && len(coll.PartitionIDs) != 0) {
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return fmt.Errorf("PartitionIDs, PartitionNames and PartitionCreatedTimestmaps' length mis-match when creating collection")
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}
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if _, ok := mt.collName2ID[coll.Schema.Name]; ok {
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return fmt.Errorf("collection %s exist", coll.Schema.Name)
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}
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if len(coll.FieldIndexes) != len(idx) {
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return fmt.Errorf("incorrect index id when creating collection")
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}
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for _, i := range idx {
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mt.indexID2Meta[i.IndexID] = *i
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}
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meta := make(map[string]string)
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for _, i := range idx {
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k := fmt.Sprintf("%s/%d/%d", IndexMetaPrefix, coll.ID, i.IndexID)
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v := proto.MarshalTextString(i)
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meta[k] = v
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}
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// save ddOpStr into etcd
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addition := mt.getAdditionKV(ddOpStr, meta)
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saveColl := func(ts typeutil.Timestamp) (string, string, error) {
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coll.CreateTime = ts
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if len(coll.PartitionCreatedTimestamps) == 1 {
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coll.PartitionCreatedTimestamps[0] = ts
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}
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mt.collID2Meta[coll.ID] = *coll
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mt.collName2ID[coll.Schema.Name] = coll.ID
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k1 := fmt.Sprintf("%s/%d", CollectionMetaPrefix, coll.ID)
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v1 := proto.MarshalTextString(coll)
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meta[k1] = v1
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return k1, v1, nil
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}
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err := mt.client.MultiSave(meta, ts, addition, saveColl)
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if err != nil {
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log.Error("SnapShotKV MultiSave fail", zap.Error(err))
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panic("SnapShotKV MultiSave fail")
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}
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return nil
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}
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func (mt *metaTable) DeleteCollection(collID typeutil.UniqueID, ts typeutil.Timestamp, ddOpStr func(ts typeutil.Timestamp) (string, error)) error {
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mt.ddLock.Lock()
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defer mt.ddLock.Unlock()
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collMeta, ok := mt.collID2Meta[collID]
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if !ok {
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return fmt.Errorf("can't find collection. id = %d", collID)
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}
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delete(mt.collID2Meta, collID)
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delete(mt.collName2ID, collMeta.Schema.Name)
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// update segID2IndexMeta
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for partID := range collMeta.PartitionIDs {
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if segIDMap, ok := mt.partID2SegID[typeutil.UniqueID(partID)]; ok {
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for segID := range segIDMap {
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delete(mt.segID2IndexMeta, segID)
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}
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}
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}
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// update partID2SegID
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for partID := range collMeta.PartitionIDs {
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delete(mt.partID2SegID, typeutil.UniqueID(partID))
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}
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for _, idxInfo := range collMeta.FieldIndexes {
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_, ok := mt.indexID2Meta[idxInfo.IndexID]
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if !ok {
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log.Warn("index id not exist", zap.Int64("index id", idxInfo.IndexID))
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continue
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}
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delete(mt.indexID2Meta, idxInfo.IndexID)
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}
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delMetakeys := []string{
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fmt.Sprintf("%s/%d", CollectionMetaPrefix, collID),
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fmt.Sprintf("%s/%d", SegmentIndexMetaPrefix, collID),
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fmt.Sprintf("%s/%d", IndexMetaPrefix, collID),
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}
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// save ddOpStr into etcd
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var saveMeta = map[string]string{}
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addition := mt.getAdditionKV(ddOpStr, saveMeta)
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err := mt.client.MultiSaveAndRemoveWithPrefix(saveMeta, delMetakeys, ts, addition)
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if err != nil {
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log.Error("SnapShotKV MultiSaveAndRemoveWithPrefix fail", zap.Error(err))
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panic("SnapShotKV MultiSaveAndRemoveWithPrefix fail")
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}
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return nil
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}
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func (mt *metaTable) HasCollection(collID typeutil.UniqueID, ts typeutil.Timestamp) bool {
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mt.ddLock.RLock()
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defer mt.ddLock.RUnlock()
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if ts == 0 {
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_, ok := mt.collID2Meta[collID]
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return ok
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}
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key := fmt.Sprintf("%s/%d", CollectionMetaPrefix, collID)
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_, err := mt.client.Load(key, ts)
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return err == nil
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}
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func (mt *metaTable) GetCollectionByID(collectionID typeutil.UniqueID, ts typeutil.Timestamp) (*pb.CollectionInfo, error) {
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mt.ddLock.RLock()
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defer mt.ddLock.RUnlock()
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if ts == 0 {
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col, ok := mt.collID2Meta[collectionID]
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if !ok {
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return nil, fmt.Errorf("can't find collection id : %d", collectionID)
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}
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colCopy := proto.Clone(&col)
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return colCopy.(*pb.CollectionInfo), nil
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}
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key := fmt.Sprintf("%s/%d", CollectionMetaPrefix, collectionID)
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val, err := mt.client.Load(key, ts)
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if err != nil {
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return nil, err
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}
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colMeta := pb.CollectionInfo{}
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err = proto.UnmarshalText(val, &colMeta)
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if err != nil {
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return nil, err
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}
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return &colMeta, nil
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}
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func (mt *metaTable) GetCollectionByName(collectionName string, ts typeutil.Timestamp) (*pb.CollectionInfo, error) {
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mt.ddLock.RLock()
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defer mt.ddLock.RUnlock()
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if ts == 0 {
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vid, ok := mt.collName2ID[collectionName]
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if !ok {
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return nil, fmt.Errorf("can't find collection: " + collectionName)
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}
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col, ok := mt.collID2Meta[vid]
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if !ok {
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return nil, fmt.Errorf("can't find collection: " + collectionName)
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}
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colCopy := proto.Clone(&col)
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return colCopy.(*pb.CollectionInfo), nil
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}
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_, vals, err := mt.client.LoadWithPrefix(CollectionMetaPrefix, ts)
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if err != nil {
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return nil, err
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}
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for _, val := range vals {
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collMeta := pb.CollectionInfo{}
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err = proto.UnmarshalText(val, &collMeta)
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if err != nil {
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log.Debug("unmarshal collection info failed", zap.Error(err))
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continue
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}
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if collMeta.Schema.Name == collectionName {
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return &collMeta, nil
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}
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}
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return nil, fmt.Errorf("can't find collection: %s, at timestamp = %d", collectionName, ts)
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}
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func (mt *metaTable) ListCollections(ts typeutil.Timestamp) (map[string]*pb.CollectionInfo, error) {
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mt.ddLock.RLock()
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defer mt.ddLock.RUnlock()
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colls := make(map[string]*pb.CollectionInfo)
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if ts == 0 {
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for collName, collID := range mt.collName2ID {
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coll := mt.collID2Meta[collID]
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colCopy := proto.Clone(&coll)
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colls[collName] = colCopy.(*pb.CollectionInfo)
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}
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return colls, nil
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}
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_, vals, err := mt.client.LoadWithPrefix(CollectionMetaPrefix, ts)
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if err != nil {
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log.Debug("load with prefix error", zap.Uint64("timestamp", ts), zap.Error(err))
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return nil, nil
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}
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for _, val := range vals {
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collMeta := pb.CollectionInfo{}
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err := proto.UnmarshalText(val, &collMeta)
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if err != nil {
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log.Debug("unmarshal collection info failed", zap.Error(err))
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}
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colls[collMeta.Schema.Name] = &collMeta
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}
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return colls, nil
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}
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// ListCollectionVirtualChannels list virtual channel of all the collection
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func (mt *metaTable) ListCollectionVirtualChannels() []string {
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mt.ddLock.RLock()
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defer mt.ddLock.RUnlock()
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vlist := []string{}
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for _, c := range mt.collID2Meta {
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vlist = append(vlist, c.VirtualChannelNames...)
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}
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return vlist
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}
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// ListCollectionPhysicalChannels list physical channel of all the collection
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func (mt *metaTable) ListCollectionPhysicalChannels() []string {
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mt.ddLock.RLock()
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defer mt.ddLock.RUnlock()
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plist := []string{}
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for _, c := range mt.collID2Meta {
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plist = append(plist, c.PhysicalChannelNames...)
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}
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return plist
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}
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func (mt *metaTable) AddPartition(collID typeutil.UniqueID, partitionName string, partitionID typeutil.UniqueID, ts typeutil.Timestamp, ddOpStr func(ts typeutil.Timestamp) (string, error)) error {
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mt.ddLock.Lock()
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defer mt.ddLock.Unlock()
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coll, ok := mt.collID2Meta[collID]
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if !ok {
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return fmt.Errorf("can't find collection. id = %d", collID)
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}
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// number of partition tags (except _default) should be limited to 4096 by default
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if int64(len(coll.PartitionIDs)) >= Params.MaxPartitionNum {
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return fmt.Errorf("maximum partition's number should be limit to %d", Params.MaxPartitionNum)
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}
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if len(coll.PartitionIDs) != len(coll.PartitionNames) {
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return fmt.Errorf("len(coll.PartitionIDs)=%d, len(coll.PartitionNames)=%d", len(coll.PartitionIDs), len(coll.PartitionNames))
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}
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if len(coll.PartitionIDs) != len(coll.PartitionCreatedTimestamps) {
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return fmt.Errorf("len(coll.PartitionIDs)=%d, len(coll.PartitionCreatedTimestamps)=%d", len(coll.PartitionIDs), len(coll.PartitionCreatedTimestamps))
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}
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if len(coll.PartitionNames) != len(coll.PartitionCreatedTimestamps) {
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return fmt.Errorf("len(coll.PartitionNames)=%d, len(coll.PartitionCreatedTimestamps)=%d", len(coll.PartitionNames), len(coll.PartitionCreatedTimestamps))
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}
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for idx := range coll.PartitionIDs {
|
|
if coll.PartitionIDs[idx] == partitionID {
|
|
return fmt.Errorf("partition id = %d already exists", partitionID)
|
|
}
|
|
if coll.PartitionNames[idx] == partitionName {
|
|
return fmt.Errorf("partition name = %s already exists", partitionName)
|
|
}
|
|
// no necessary to check created timestamp
|
|
}
|
|
meta := make(map[string]string)
|
|
|
|
// save ddOpStr into etcd
|
|
addition := mt.getAdditionKV(ddOpStr, meta)
|
|
|
|
saveColl := func(ts typeutil.Timestamp) (string, string, error) {
|
|
coll.PartitionIDs = append(coll.PartitionIDs, partitionID)
|
|
coll.PartitionNames = append(coll.PartitionNames, partitionName)
|
|
coll.PartitionCreatedTimestamps = append(coll.PartitionCreatedTimestamps, ts)
|
|
mt.collID2Meta[collID] = coll
|
|
|
|
k1 := fmt.Sprintf("%s/%d", CollectionMetaPrefix, collID)
|
|
v1 := proto.MarshalTextString(&coll)
|
|
meta[k1] = v1
|
|
|
|
return k1, v1, nil
|
|
}
|
|
|
|
err := mt.client.MultiSave(meta, ts, addition, saveColl)
|
|
if err != nil {
|
|
log.Error("SnapShotKV MultiSave fail", zap.Error(err))
|
|
panic("SnapShotKV MultiSave fail")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (mt *metaTable) GetPartitionNameByID(collID, partitionID typeutil.UniqueID, ts typeutil.Timestamp) (string, error) {
|
|
if ts == 0 {
|
|
mt.ddLock.RLock()
|
|
defer mt.ddLock.RUnlock()
|
|
collMeta, ok := mt.collID2Meta[collID]
|
|
if !ok {
|
|
return "", fmt.Errorf("can't find collection id = %d", collID)
|
|
}
|
|
for idx := range collMeta.PartitionIDs {
|
|
if collMeta.PartitionIDs[idx] == partitionID {
|
|
return collMeta.PartitionNames[idx], nil
|
|
}
|
|
}
|
|
return "", fmt.Errorf("partition %d does not exist", partitionID)
|
|
}
|
|
collKey := fmt.Sprintf("%s/%d", CollectionMetaPrefix, collID)
|
|
collVal, err := mt.client.Load(collKey, ts)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
collMeta := pb.CollectionInfo{}
|
|
err = proto.UnmarshalText(collVal, &collMeta)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
for idx := range collMeta.PartitionIDs {
|
|
if collMeta.PartitionIDs[idx] == partitionID {
|
|
return collMeta.PartitionNames[idx], nil
|
|
}
|
|
}
|
|
return "", fmt.Errorf("partition %d does not exist", partitionID)
|
|
}
|
|
|
|
func (mt *metaTable) getPartitionByName(collID typeutil.UniqueID, partitionName string, ts typeutil.Timestamp) (typeutil.UniqueID, error) {
|
|
if ts == 0 {
|
|
collMeta, ok := mt.collID2Meta[collID]
|
|
if !ok {
|
|
return 0, fmt.Errorf("can't find collection id = %d", collID)
|
|
}
|
|
for idx := range collMeta.PartitionIDs {
|
|
if collMeta.PartitionNames[idx] == partitionName {
|
|
return collMeta.PartitionIDs[idx], nil
|
|
}
|
|
}
|
|
return 0, fmt.Errorf("partition %s does not exist", partitionName)
|
|
}
|
|
collKey := fmt.Sprintf("%s/%d", CollectionMetaPrefix, collID)
|
|
collVal, err := mt.client.Load(collKey, ts)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
collMeta := pb.CollectionInfo{}
|
|
err = proto.UnmarshalText(collVal, &collMeta)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
for idx := range collMeta.PartitionIDs {
|
|
if collMeta.PartitionNames[idx] == partitionName {
|
|
return collMeta.PartitionIDs[idx], nil
|
|
}
|
|
}
|
|
return 0, fmt.Errorf("partition %s does not exist", partitionName)
|
|
}
|
|
|
|
func (mt *metaTable) GetPartitionByName(collID typeutil.UniqueID, partitionName string, ts typeutil.Timestamp) (typeutil.UniqueID, error) {
|
|
mt.ddLock.RLock()
|
|
defer mt.ddLock.RUnlock()
|
|
return mt.getPartitionByName(collID, partitionName, ts)
|
|
}
|
|
|
|
func (mt *metaTable) HasPartition(collID typeutil.UniqueID, partitionName string, ts typeutil.Timestamp) bool {
|
|
mt.ddLock.RLock()
|
|
defer mt.ddLock.RUnlock()
|
|
_, err := mt.getPartitionByName(collID, partitionName, ts)
|
|
return err == nil
|
|
}
|
|
|
|
func (mt *metaTable) DeletePartition(collID typeutil.UniqueID, partitionName string, ts typeutil.Timestamp, ddOpStr func(ts typeutil.Timestamp) (string, error)) (typeutil.UniqueID, error) {
|
|
mt.ddLock.Lock()
|
|
defer mt.ddLock.Unlock()
|
|
|
|
if partitionName == Params.DefaultPartitionName {
|
|
return 0, fmt.Errorf("default partition cannot be deleted")
|
|
}
|
|
|
|
collMeta, ok := mt.collID2Meta[collID]
|
|
if !ok {
|
|
return 0, fmt.Errorf("can't find collection id = %d", collID)
|
|
}
|
|
|
|
// check tag exists
|
|
exist := false
|
|
|
|
pd := make([]typeutil.UniqueID, 0, len(collMeta.PartitionIDs))
|
|
pn := make([]string, 0, len(collMeta.PartitionNames))
|
|
pts := make([]uint64, 0, len(collMeta.PartitionCreatedTimestamps))
|
|
var partID typeutil.UniqueID
|
|
for idx := range collMeta.PartitionIDs {
|
|
if collMeta.PartitionNames[idx] == partitionName {
|
|
partID = collMeta.PartitionIDs[idx]
|
|
exist = true
|
|
} else {
|
|
pd = append(pd, collMeta.PartitionIDs[idx])
|
|
pn = append(pn, collMeta.PartitionNames[idx])
|
|
pts = append(pts, collMeta.PartitionCreatedTimestamps[idx])
|
|
}
|
|
}
|
|
if !exist {
|
|
return 0, fmt.Errorf("partition %s does not exist", partitionName)
|
|
}
|
|
collMeta.PartitionIDs = pd
|
|
collMeta.PartitionNames = pn
|
|
collMeta.PartitionCreatedTimestamps = pts
|
|
mt.collID2Meta[collID] = collMeta
|
|
|
|
// update segID2IndexMeta and partID2SegID
|
|
if segIDMap, ok := mt.partID2SegID[partID]; ok {
|
|
for segID := range segIDMap {
|
|
delete(mt.segID2IndexMeta, segID)
|
|
}
|
|
}
|
|
delete(mt.partID2SegID, partID)
|
|
|
|
meta := map[string]string{path.Join(CollectionMetaPrefix, strconv.FormatInt(collID, 10)): proto.MarshalTextString(&collMeta)}
|
|
delMetaKeys := []string{}
|
|
for _, idxInfo := range collMeta.FieldIndexes {
|
|
k := fmt.Sprintf("%s/%d/%d/%d", SegmentIndexMetaPrefix, collMeta.ID, idxInfo.IndexID, partID)
|
|
delMetaKeys = append(delMetaKeys, k)
|
|
}
|
|
|
|
// save ddOpStr into etcd
|
|
addition := mt.getAdditionKV(ddOpStr, meta)
|
|
|
|
err := mt.client.MultiSaveAndRemoveWithPrefix(meta, delMetaKeys, ts, addition)
|
|
if err != nil {
|
|
log.Error("SnapShotKV MultiSaveAndRemoveWithPrefix fail", zap.Error(err))
|
|
panic("SnapShotKV MultiSaveAndRemoveWithPrefix fail")
|
|
}
|
|
return partID, nil
|
|
}
|
|
|
|
func (mt *metaTable) AddIndex(segIdxInfo *pb.SegmentIndexInfo, ts typeutil.Timestamp) error {
|
|
mt.ddLock.Lock()
|
|
defer mt.ddLock.Unlock()
|
|
|
|
collMeta, ok := mt.collID2Meta[segIdxInfo.CollectionID]
|
|
if !ok {
|
|
return fmt.Errorf("collection id = %d not found", segIdxInfo.CollectionID)
|
|
}
|
|
exist := false
|
|
for _, fidx := range collMeta.FieldIndexes {
|
|
if fidx.IndexID == segIdxInfo.IndexID {
|
|
exist = true
|
|
break
|
|
}
|
|
}
|
|
if !exist {
|
|
return fmt.Errorf("index id = %d not found", segIdxInfo.IndexID)
|
|
}
|
|
|
|
segIdxMap, ok := mt.segID2IndexMeta[segIdxInfo.SegmentID]
|
|
if !ok {
|
|
idxMap := map[typeutil.UniqueID]pb.SegmentIndexInfo{segIdxInfo.IndexID: *segIdxInfo}
|
|
mt.segID2IndexMeta[segIdxInfo.SegmentID] = idxMap
|
|
|
|
segIDMap := map[typeutil.UniqueID]bool{segIdxInfo.SegmentID: true}
|
|
mt.partID2SegID[segIdxInfo.PartitionID] = segIDMap
|
|
} else {
|
|
tmpInfo, ok := segIdxMap[segIdxInfo.IndexID]
|
|
if ok {
|
|
if SegmentIndexInfoEqual(segIdxInfo, &tmpInfo) {
|
|
if segIdxInfo.BuildID == tmpInfo.BuildID {
|
|
log.Debug("Identical SegmentIndexInfo already exist", zap.Int64("IndexID", segIdxInfo.IndexID))
|
|
return nil
|
|
}
|
|
return fmt.Errorf("index id = %d exist", segIdxInfo.IndexID)
|
|
}
|
|
}
|
|
}
|
|
|
|
mt.segID2IndexMeta[segIdxInfo.SegmentID][segIdxInfo.IndexID] = *segIdxInfo
|
|
mt.partID2SegID[segIdxInfo.PartitionID][segIdxInfo.SegmentID] = true
|
|
|
|
k := fmt.Sprintf("%s/%d/%d/%d/%d", SegmentIndexMetaPrefix, segIdxInfo.CollectionID, segIdxInfo.IndexID, segIdxInfo.PartitionID, segIdxInfo.SegmentID)
|
|
v := proto.MarshalTextString(segIdxInfo)
|
|
|
|
err := mt.client.Save(k, v, ts)
|
|
if err != nil {
|
|
log.Error("SnapShotKV Save fail", zap.Error(err))
|
|
panic("SnapShotKV Save fail")
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
//return timestamp, index id, is dropped, error
|
|
func (mt *metaTable) DropIndex(collName, fieldName, indexName string, ts typeutil.Timestamp) (typeutil.UniqueID, bool, error) {
|
|
mt.ddLock.Lock()
|
|
defer mt.ddLock.Unlock()
|
|
|
|
collID, ok := mt.collName2ID[collName]
|
|
if !ok {
|
|
return 0, false, fmt.Errorf("collection name = %s not exist", collName)
|
|
}
|
|
collMeta, ok := mt.collID2Meta[collID]
|
|
if !ok {
|
|
return 0, false, fmt.Errorf("collection name = %s not has meta", collName)
|
|
}
|
|
fieldSch, err := mt.unlockGetFieldSchema(collName, fieldName)
|
|
if err != nil {
|
|
return 0, false, err
|
|
}
|
|
fieldIdxInfo := make([]*pb.FieldIndexInfo, 0, len(collMeta.FieldIndexes))
|
|
var dropIdxID typeutil.UniqueID
|
|
for i, info := range collMeta.FieldIndexes {
|
|
if info.FiledID != fieldSch.FieldID {
|
|
fieldIdxInfo = append(fieldIdxInfo, info)
|
|
continue
|
|
}
|
|
idxMeta, ok := mt.indexID2Meta[info.IndexID]
|
|
if !ok {
|
|
fieldIdxInfo = append(fieldIdxInfo, info)
|
|
log.Warn("index id not has meta", zap.Int64("index id", info.IndexID))
|
|
continue
|
|
}
|
|
if idxMeta.IndexName != indexName {
|
|
fieldIdxInfo = append(fieldIdxInfo, info)
|
|
continue
|
|
}
|
|
dropIdxID = info.IndexID
|
|
fieldIdxInfo = append(fieldIdxInfo, collMeta.FieldIndexes[i+1:]...)
|
|
break
|
|
}
|
|
if len(fieldIdxInfo) == len(collMeta.FieldIndexes) {
|
|
log.Warn("drop index,index not found", zap.String("collection name", collName), zap.String("filed name", fieldName), zap.String("index name", indexName))
|
|
return 0, false, nil
|
|
}
|
|
collMeta.FieldIndexes = fieldIdxInfo
|
|
mt.collID2Meta[collID] = collMeta
|
|
saveMeta := map[string]string{path.Join(CollectionMetaPrefix, strconv.FormatInt(collID, 10)): proto.MarshalTextString(&collMeta)}
|
|
|
|
delete(mt.indexID2Meta, dropIdxID)
|
|
|
|
// update segID2IndexMeta
|
|
for partID := range collMeta.PartitionIDs {
|
|
if segIDMap, ok := mt.partID2SegID[typeutil.UniqueID(partID)]; ok {
|
|
for segID := range segIDMap {
|
|
if segIndexInfos, ok := mt.segID2IndexMeta[segID]; ok {
|
|
delete(segIndexInfos, dropIdxID)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
delMeta := []string{
|
|
fmt.Sprintf("%s/%d/%d", SegmentIndexMetaPrefix, collMeta.ID, dropIdxID),
|
|
fmt.Sprintf("%s/%d/%d", IndexMetaPrefix, collMeta.ID, dropIdxID),
|
|
}
|
|
|
|
err = mt.client.MultiSaveAndRemoveWithPrefix(saveMeta, delMeta, ts)
|
|
if err != nil {
|
|
log.Error("SnapShotKV MultiSaveAndRemoveWithPrefix fail", zap.Error(err))
|
|
panic("SnapShotKV MultiSaveAndRemoveWithPrefix fail")
|
|
}
|
|
|
|
return dropIdxID, true, nil
|
|
}
|
|
|
|
func (mt *metaTable) GetSegmentIndexInfoByID(segID typeutil.UniqueID, filedID int64, idxName string) (pb.SegmentIndexInfo, error) {
|
|
mt.ddLock.RLock()
|
|
defer mt.ddLock.RUnlock()
|
|
|
|
segIdxMap, ok := mt.segID2IndexMeta[segID]
|
|
if !ok {
|
|
return pb.SegmentIndexInfo{
|
|
SegmentID: segID,
|
|
FieldID: filedID,
|
|
IndexID: 0,
|
|
BuildID: 0,
|
|
EnableIndex: false,
|
|
}, nil
|
|
}
|
|
if len(segIdxMap) == 0 {
|
|
return pb.SegmentIndexInfo{}, fmt.Errorf("segment id %d not has any index", segID)
|
|
}
|
|
|
|
if filedID == -1 && idxName == "" { // return default index
|
|
for _, seg := range segIdxMap {
|
|
info, ok := mt.indexID2Meta[seg.IndexID]
|
|
if ok && info.IndexName == Params.DefaultIndexName {
|
|
return seg, nil
|
|
}
|
|
}
|
|
} else {
|
|
for idxID, seg := range segIdxMap {
|
|
idxMeta, ok := mt.indexID2Meta[idxID]
|
|
if ok {
|
|
if idxMeta.IndexName != idxName {
|
|
continue
|
|
}
|
|
if seg.FieldID != filedID {
|
|
continue
|
|
}
|
|
return seg, nil
|
|
}
|
|
}
|
|
}
|
|
return pb.SegmentIndexInfo{}, fmt.Errorf("can't find index name = %s on segment = %d, with filed id = %d", idxName, segID, filedID)
|
|
}
|
|
|
|
func (mt *metaTable) GetFieldSchema(collName string, fieldName string) (schemapb.FieldSchema, error) {
|
|
mt.ddLock.RLock()
|
|
defer mt.ddLock.RUnlock()
|
|
|
|
return mt.unlockGetFieldSchema(collName, fieldName)
|
|
}
|
|
|
|
func (mt *metaTable) unlockGetFieldSchema(collName string, fieldName string) (schemapb.FieldSchema, error) {
|
|
collID, ok := mt.collName2ID[collName]
|
|
if !ok {
|
|
return schemapb.FieldSchema{}, fmt.Errorf("collection %s not found", collName)
|
|
}
|
|
collMeta, ok := mt.collID2Meta[collID]
|
|
if !ok {
|
|
return schemapb.FieldSchema{}, fmt.Errorf("collection %s not found", collName)
|
|
}
|
|
|
|
for _, field := range collMeta.Schema.Fields {
|
|
if field.Name == fieldName {
|
|
return *field, nil
|
|
}
|
|
}
|
|
return schemapb.FieldSchema{}, fmt.Errorf("collection %s doesn't have filed %s", collName, fieldName)
|
|
}
|
|
|
|
//return true/false
|
|
func (mt *metaTable) IsSegmentIndexed(segID typeutil.UniqueID, fieldSchema *schemapb.FieldSchema, indexParams []*commonpb.KeyValuePair) bool {
|
|
mt.ddLock.RLock()
|
|
defer mt.ddLock.RUnlock()
|
|
return mt.unlockIsSegmentIndexed(segID, fieldSchema, indexParams)
|
|
}
|
|
|
|
func (mt *metaTable) unlockIsSegmentIndexed(segID typeutil.UniqueID, fieldSchema *schemapb.FieldSchema, indexParams []*commonpb.KeyValuePair) bool {
|
|
segIdx, ok := mt.segID2IndexMeta[segID]
|
|
if !ok {
|
|
return false
|
|
}
|
|
exist := false
|
|
for idxID, meta := range segIdx {
|
|
if meta.FieldID != fieldSchema.FieldID {
|
|
continue
|
|
}
|
|
idxMeta, ok := mt.indexID2Meta[idxID]
|
|
if !ok {
|
|
continue
|
|
}
|
|
if EqualKeyPairArray(indexParams, idxMeta.IndexParams) {
|
|
exist = true
|
|
break
|
|
}
|
|
}
|
|
return exist
|
|
}
|
|
|
|
// return segment ids, type params, error
|
|
func (mt *metaTable) GetNotIndexedSegments(collName string, fieldName string, idxInfo *pb.IndexInfo, segIDs []typeutil.UniqueID, ts typeutil.Timestamp) ([]typeutil.UniqueID, schemapb.FieldSchema, error) {
|
|
mt.ddLock.Lock()
|
|
defer mt.ddLock.Unlock()
|
|
|
|
if idxInfo.IndexParams == nil {
|
|
return nil, schemapb.FieldSchema{}, fmt.Errorf("index param is nil")
|
|
}
|
|
collID, ok := mt.collName2ID[collName]
|
|
if !ok {
|
|
return nil, schemapb.FieldSchema{}, fmt.Errorf("collection %s not found", collName)
|
|
}
|
|
collMeta, ok := mt.collID2Meta[collID]
|
|
if !ok {
|
|
return nil, schemapb.FieldSchema{}, fmt.Errorf("collection %s not found", collName)
|
|
}
|
|
fieldSchema, err := mt.unlockGetFieldSchema(collName, fieldName)
|
|
if err != nil {
|
|
return nil, fieldSchema, err
|
|
}
|
|
|
|
var dupIdx typeutil.UniqueID = 0
|
|
for _, f := range collMeta.FieldIndexes {
|
|
if info, ok := mt.indexID2Meta[f.IndexID]; ok {
|
|
if info.IndexName == idxInfo.IndexName {
|
|
dupIdx = info.IndexID
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
exist := false
|
|
var existInfo pb.IndexInfo
|
|
for _, f := range collMeta.FieldIndexes {
|
|
if f.FiledID == fieldSchema.FieldID {
|
|
existInfo, ok = mt.indexID2Meta[f.IndexID]
|
|
if !ok {
|
|
return nil, schemapb.FieldSchema{}, fmt.Errorf("index id = %d not found", f.IndexID)
|
|
}
|
|
if EqualKeyPairArray(existInfo.IndexParams, idxInfo.IndexParams) {
|
|
exist = true
|
|
break
|
|
}
|
|
}
|
|
}
|
|
if !exist {
|
|
idx := &pb.FieldIndexInfo{
|
|
FiledID: fieldSchema.FieldID,
|
|
IndexID: idxInfo.IndexID,
|
|
}
|
|
collMeta.FieldIndexes = append(collMeta.FieldIndexes, idx)
|
|
mt.collID2Meta[collMeta.ID] = collMeta
|
|
k1 := path.Join(CollectionMetaPrefix, strconv.FormatInt(collMeta.ID, 10))
|
|
v1 := proto.MarshalTextString(&collMeta)
|
|
|
|
mt.indexID2Meta[idx.IndexID] = *idxInfo
|
|
k2 := path.Join(IndexMetaPrefix, strconv.FormatInt(idx.IndexID, 10))
|
|
v2 := proto.MarshalTextString(idxInfo)
|
|
meta := map[string]string{k1: v1, k2: v2}
|
|
|
|
if dupIdx != 0 {
|
|
dupInfo := mt.indexID2Meta[dupIdx]
|
|
dupInfo.IndexName = dupInfo.IndexName + "_bak"
|
|
mt.indexID2Meta[dupIdx] = dupInfo
|
|
k := path.Join(IndexMetaPrefix, strconv.FormatInt(dupInfo.IndexID, 10))
|
|
v := proto.MarshalTextString(&dupInfo)
|
|
meta[k] = v
|
|
}
|
|
err = mt.client.MultiSave(meta, ts)
|
|
if err != nil {
|
|
log.Error("SnapShotKV MultiSave fail", zap.Error(err))
|
|
panic("SnapShotKV MultiSave fail")
|
|
}
|
|
} else {
|
|
idxInfo.IndexID = existInfo.IndexID
|
|
if existInfo.IndexName != idxInfo.IndexName { //replace index name
|
|
existInfo.IndexName = idxInfo.IndexName
|
|
mt.indexID2Meta[existInfo.IndexID] = existInfo
|
|
k := path.Join(IndexMetaPrefix, strconv.FormatInt(existInfo.IndexID, 10))
|
|
v := proto.MarshalTextString(&existInfo)
|
|
meta := map[string]string{k: v}
|
|
if dupIdx != 0 {
|
|
dupInfo := mt.indexID2Meta[dupIdx]
|
|
dupInfo.IndexName = dupInfo.IndexName + "_bak"
|
|
mt.indexID2Meta[dupIdx] = dupInfo
|
|
k := path.Join(IndexMetaPrefix, strconv.FormatInt(dupInfo.IndexID, 10))
|
|
v := proto.MarshalTextString(&dupInfo)
|
|
meta[k] = v
|
|
}
|
|
|
|
err = mt.client.MultiSave(meta, ts)
|
|
if err != nil {
|
|
log.Error("SnapShotKV MultiSave fail", zap.Error(err))
|
|
panic("SnapShotKV MultiSave fail")
|
|
}
|
|
}
|
|
}
|
|
|
|
rstID := make([]typeutil.UniqueID, 0, 16)
|
|
for _, segID := range segIDs {
|
|
if exist := mt.unlockIsSegmentIndexed(segID, &fieldSchema, idxInfo.IndexParams); !exist {
|
|
rstID = append(rstID, segID)
|
|
}
|
|
}
|
|
return rstID, fieldSchema, nil
|
|
}
|
|
|
|
func (mt *metaTable) GetIndexByName(collName, indexName string) (pb.CollectionInfo, []pb.IndexInfo, error) {
|
|
mt.ddLock.RLock()
|
|
defer mt.ddLock.RUnlock()
|
|
|
|
collID, ok := mt.collName2ID[collName]
|
|
if !ok {
|
|
return pb.CollectionInfo{}, nil, fmt.Errorf("collection %s not found", collName)
|
|
}
|
|
collMeta, ok := mt.collID2Meta[collID]
|
|
if !ok {
|
|
return pb.CollectionInfo{}, nil, fmt.Errorf("collection %s not found", collName)
|
|
}
|
|
|
|
rstIndex := make([]pb.IndexInfo, 0, len(collMeta.FieldIndexes))
|
|
for _, idx := range collMeta.FieldIndexes {
|
|
idxInfo, ok := mt.indexID2Meta[idx.IndexID]
|
|
if !ok {
|
|
return pb.CollectionInfo{}, nil, fmt.Errorf("index id = %d not found", idx.IndexID)
|
|
}
|
|
if indexName == "" || idxInfo.IndexName == indexName {
|
|
rstIndex = append(rstIndex, idxInfo)
|
|
}
|
|
}
|
|
return collMeta, rstIndex, nil
|
|
}
|
|
|
|
func (mt *metaTable) GetIndexByID(indexID typeutil.UniqueID) (*pb.IndexInfo, error) {
|
|
mt.ddLock.RLock()
|
|
defer mt.ddLock.RUnlock()
|
|
|
|
indexInfo, ok := mt.indexID2Meta[indexID]
|
|
if !ok {
|
|
return nil, fmt.Errorf("cannot find index, id = %d", indexID)
|
|
}
|
|
return &indexInfo, nil
|
|
}
|
|
|
|
func (mt *metaTable) dupMeta() (
|
|
map[typeutil.UniqueID]pb.CollectionInfo,
|
|
map[typeutil.UniqueID]map[typeutil.UniqueID]pb.SegmentIndexInfo,
|
|
map[typeutil.UniqueID]pb.IndexInfo,
|
|
) {
|
|
mt.ddLock.RLock()
|
|
defer mt.ddLock.RUnlock()
|
|
|
|
collID2Meta := map[typeutil.UniqueID]pb.CollectionInfo{}
|
|
segID2IndexMeta := map[typeutil.UniqueID]map[typeutil.UniqueID]pb.SegmentIndexInfo{}
|
|
indexID2Meta := map[typeutil.UniqueID]pb.IndexInfo{}
|
|
for k, v := range mt.collID2Meta {
|
|
collID2Meta[k] = v
|
|
}
|
|
for k, v := range mt.segID2IndexMeta {
|
|
segID2IndexMeta[k] = map[typeutil.UniqueID]pb.SegmentIndexInfo{}
|
|
for k2, v2 := range v {
|
|
segID2IndexMeta[k][k2] = v2
|
|
}
|
|
}
|
|
for k, v := range mt.indexID2Meta {
|
|
indexID2Meta[k] = v
|
|
}
|
|
return collID2Meta, segID2IndexMeta, indexID2Meta
|
|
}
|