milvus/internal/querynodev2/delegator/exclude_info.go
wei liu df208d538c
fix: Check exclude segment before add new growing segment (#31803)
issue: #31479 #31797

milvus will add released segment to excluded info, and filter out it's
stream data in filter_node. but for data buffered in insert_node's
channel, if it belongs to growing segment which already be released,
then it will all the growing segment back again.

This PR maintain `excluded segments` in delegator, and check excluded
segment before new growing segment.

---------

Signed-off-by: Wei Liu <wei.liu@zilliz.com>
2024-04-10 15:29:17 +08:00

89 lines
2.4 KiB
Go

// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package delegator
import (
"sync"
"time"
"go.uber.org/atomic"
"go.uber.org/zap"
"github.com/milvus-io/milvus/pkg/log"
)
type ExcludedSegments struct {
mu sync.RWMutex
segments map[int64]uint64 // segmentID -> Excluded TS
lastClean atomic.Time
cleanInterval time.Duration
}
func NewExcludedSegments(cleanInterval time.Duration) *ExcludedSegments {
return &ExcludedSegments{
segments: make(map[int64]uint64),
cleanInterval: cleanInterval,
}
}
func (s *ExcludedSegments) Insert(excludeInfo map[int64]uint64) {
s.mu.Lock()
defer s.mu.Unlock()
for segmentID, ts := range excludeInfo {
log.Debug("add exclude info",
zap.Int64("segmentID", segmentID),
zap.Uint64("ts", ts),
)
s.segments[segmentID] = ts
}
}
// return false if segment has been excluded
func (s *ExcludedSegments) Verify(segmentID int64, ts uint64) bool {
s.mu.RLock()
defer s.mu.RUnlock()
if excludeTs, ok := s.segments[segmentID]; ok && ts <= excludeTs {
return false
}
return true
}
func (s *ExcludedSegments) CleanInvalid(ts uint64) {
s.mu.Lock()
defer s.mu.Unlock()
invalidExcludedInfos := []int64{}
for segmentsID, excludeTs := range s.segments {
if excludeTs < ts {
invalidExcludedInfos = append(invalidExcludedInfos, segmentsID)
}
}
for _, segmentID := range invalidExcludedInfos {
delete(s.segments, segmentID)
log.Info("remove segment from exclude info", zap.Int64("segmentID", segmentID))
}
s.lastClean.Store(time.Now())
}
func (s *ExcludedSegments) ShouldClean() bool {
s.mu.RLock()
defer s.mu.RUnlock()
return time.Since(s.lastClean.Load()) > s.cleanInterval
}