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f30c22626e
See also #32165 Add segment dist and leader view filter criterion struct to store frequent filter conditions. Add collection/channel filter results for these two meta --------- Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
247 lines
6.3 KiB
Go
247 lines
6.3 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 meta
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import (
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"sync"
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"github.com/golang/protobuf/proto"
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"github.com/samber/lo"
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"github.com/milvus-io/milvus/internal/proto/datapb"
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"github.com/milvus-io/milvus/internal/proto/querypb"
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"github.com/milvus-io/milvus/pkg/util/typeutil"
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)
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type segDistCriterion struct {
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nodes []int64
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collectionID int64
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channel string
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hasOtherFilter bool
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}
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type SegmentDistFilter interface {
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Match(s *Segment) bool
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AddFilter(*segDistCriterion)
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}
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type SegmentDistFilterFunc func(s *Segment) bool
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func (f SegmentDistFilterFunc) Match(s *Segment) bool {
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return f(s)
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}
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func (f SegmentDistFilterFunc) AddFilter(filter *segDistCriterion) {
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filter.hasOtherFilter = true
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}
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type ReplicaSegDistFilter struct {
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*Replica
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}
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func (f *ReplicaSegDistFilter) Match(s *Segment) bool {
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return f.GetCollectionID() == s.GetCollectionID() && f.Contains(s.Node)
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}
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func (f ReplicaSegDistFilter) AddFilter(filter *segDistCriterion) {
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filter.nodes = f.GetNodes()
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filter.collectionID = f.GetCollectionID()
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}
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func WithReplica(replica *Replica) SegmentDistFilter {
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return &ReplicaSegDistFilter{
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Replica: replica,
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}
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}
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type NodeSegDistFilter int64
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func (f NodeSegDistFilter) Match(s *Segment) bool {
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return s.Node == int64(f)
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}
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func (f NodeSegDistFilter) AddFilter(filter *segDistCriterion) {
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filter.nodes = []int64{int64(f)}
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}
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func WithNodeID(nodeID int64) SegmentDistFilter {
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return NodeSegDistFilter(nodeID)
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}
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func WithSegmentID(segmentID int64) SegmentDistFilter {
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return SegmentDistFilterFunc(func(s *Segment) bool {
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return s.GetID() == segmentID
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})
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}
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type CollectionSegDistFilter int64
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func (f CollectionSegDistFilter) Match(s *Segment) bool {
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return s.GetCollectionID() == int64(f)
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}
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func (f CollectionSegDistFilter) AddFilter(filter *segDistCriterion) {
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filter.collectionID = int64(f)
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}
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func WithCollectionID(collectionID typeutil.UniqueID) SegmentDistFilter {
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return CollectionSegDistFilter(collectionID)
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}
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type ChannelSegDistFilter string
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func (f ChannelSegDistFilter) Match(s *Segment) bool {
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return s.GetInsertChannel() == string(f)
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}
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func (f ChannelSegDistFilter) AddFilter(filter *segDistCriterion) {
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filter.channel = string(f)
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}
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func WithChannel(channelName string) SegmentDistFilter {
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return ChannelSegDistFilter(channelName)
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}
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type Segment struct {
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*datapb.SegmentInfo
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Node int64 // Node the segment is in
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Version int64 // Version is the timestamp of loading segment
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LastDeltaTimestamp uint64 // The timestamp of the last delta record
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IndexInfo map[int64]*querypb.FieldIndexInfo // index info of loaded segment
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}
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func SegmentFromInfo(info *datapb.SegmentInfo) *Segment {
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return &Segment{
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SegmentInfo: info,
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}
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}
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func (segment *Segment) Clone() *Segment {
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return &Segment{
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SegmentInfo: proto.Clone(segment.SegmentInfo).(*datapb.SegmentInfo),
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Node: segment.Node,
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Version: segment.Version,
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}
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}
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type SegmentDistManager struct {
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rwmutex sync.RWMutex
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// nodeID -> []*Segment
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segments map[typeutil.UniqueID]nodeSegments
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}
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type nodeSegments struct {
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segments []*Segment
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collSegments map[int64][]*Segment
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channelSegments map[string][]*Segment
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}
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func (s nodeSegments) Filter(criterion *segDistCriterion, filter func(*Segment) bool) []*Segment {
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var segments []*Segment
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switch {
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case criterion.channel != "":
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segments = s.channelSegments[criterion.channel]
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case criterion.collectionID != 0:
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segments = s.collSegments[criterion.collectionID]
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default:
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segments = s.segments
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}
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if criterion.hasOtherFilter {
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segments = lo.Filter(segments, func(segment *Segment, _ int) bool {
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return filter(segment)
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})
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}
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return segments
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}
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func composeNodeSegments(segments []*Segment) nodeSegments {
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return nodeSegments{
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segments: segments,
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collSegments: lo.GroupBy(segments, func(segment *Segment) int64 { return segment.GetCollectionID() }),
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channelSegments: lo.GroupBy(segments, func(segment *Segment) string { return segment.GetInsertChannel() }),
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}
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}
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func NewSegmentDistManager() *SegmentDistManager {
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return &SegmentDistManager{
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segments: make(map[typeutil.UniqueID]nodeSegments),
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}
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}
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func (m *SegmentDistManager) Update(nodeID typeutil.UniqueID, segments ...*Segment) {
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m.rwmutex.Lock()
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defer m.rwmutex.Unlock()
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for _, segment := range segments {
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segment.Node = nodeID
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}
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m.segments[nodeID] = composeNodeSegments(segments)
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}
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// GetByFilter return segment list which match all given filters
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func (m *SegmentDistManager) GetByFilter(filters ...SegmentDistFilter) []*Segment {
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m.rwmutex.RLock()
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defer m.rwmutex.RUnlock()
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criterion := &segDistCriterion{}
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for _, filter := range filters {
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filter.AddFilter(criterion)
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}
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mergedFilters := func(s *Segment) bool {
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for _, f := range filters {
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if f != nil && !f.Match(s) {
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return false
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}
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}
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return true
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}
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var candidates []nodeSegments
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if criterion.nodes != nil {
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candidates = lo.Map(criterion.nodes, func(nodeID int64, _ int) nodeSegments {
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return m.segments[nodeID]
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})
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} else {
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candidates = lo.Values(m.segments)
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}
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var ret []*Segment
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for _, nodeSegments := range candidates {
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ret = append(ret, nodeSegments.Filter(criterion, mergedFilters)...)
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}
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return ret
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}
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// return node list which contains the given segmentID
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func (m *SegmentDistManager) GetSegmentDist(segmentID int64) []int64 {
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m.rwmutex.RLock()
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defer m.rwmutex.RUnlock()
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ret := make([]int64, 0)
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for nodeID, segments := range m.segments {
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for _, segment := range segments.segments {
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if segment.GetID() == segmentID {
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ret = append(ret, nodeID)
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break
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}
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}
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}
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return ret
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}
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