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enhance: optimize idf oracle sync logic (#44628)

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Signed-off-by: aoiasd <zhicheng.yue@zilliz.com>
This commit is contained in:
aoiasd 2025-10-20 15:42:08 +08:00 committed by GitHub
parent a3a28a4b99
commit ac82bad0b3
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GPG Key ID: B5690EEEBB952194
1 changed files with 28 additions and 21 deletions
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49
internal/querynodev2/delegator/idf_oracle.go
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@ -489,9 +489,12 @@ func (o *idfOracle) SyncDistribution() error {
sealed, _ := snapshot.Peek()
sealedMap := map[int64]bool{} // sealed diff map, activate segment stats if true, and remove if not in map
// intarget segment map
targetMap := typeutil.NewSet[UniqueID]()
// segment with unreadable target version was not been used,
// not remove them till it update version or remove from snapshot(released)
reserveMap := typeutil.NewSet[UniqueID]()
// only remain current target segment and unknown version segment in snapshot.
for _, item := range sealed {
for _, segment := range item.Segments {
if segment.Level == datapb.SegmentLevel_L0 {
@ -500,12 +503,12 @@ func (o *idfOracle) SyncDistribution() error {
switch segment.TargetVersion {
case snapshot.targetVersion:
sealedMap[segment.SegmentID] = true
targetMap.Insert(segment.SegmentID)
if !o.sealed.Contain(segment.SegmentID) {
log.Warn("idf oracle lack some sealed segment", zap.Int64("segment", segment.SegmentID))
}
case unreadableTargetVersion:
sealedMap[segment.SegmentID] = false
reserveMap.Insert(segment.SegmentID)
}
}
}
@ -514,11 +517,11 @@ func (o *idfOracle) SyncDistribution() error {
var rangeErr error
o.sealed.Range(func(segmentID int64, stats *sealedBm25Stats) bool {
// segment was unreadable if in snapshot but not in target.
intarget, insnap := sealedMap[segmentID]
intarget := targetMap.Contain(segmentID)
activate := stats.activate.Load()
// activate segment if segment in target
if insnap && intarget && !activate {
if intarget && !activate {
stats, err := stats.FetchStats()
if err != nil {
rangeErr = fmt.Errorf("fetch stats failed with error: %v", err)
@ -526,9 +529,8 @@ func (o *idfOracle) SyncDistribution() error {
}
diff.Merge(stats)
} else
// deactivate segment if segment not in snapshot
// or deactivate segment if segment unreadable (only exist at preload segment)
if (!insnap || (insnap && !intarget)) && activate {
// deactivate segment if segment not in target.
if !intarget && activate {
stats, err := stats.FetchStats()
if err != nil {
rangeErr = fmt.Errorf("fetch stats failed with error: %v", err)
@ -559,24 +561,29 @@ func (o *idfOracle) SyncDistribution() error {
// remove sealed segment not in target
o.sealed.Range(func(segmentID int64, stats *sealedBm25Stats) bool {
intarget, insnap := sealedMap[segmentID]
activate := stats.activate.Load()
// remove if segment not in snapshot
// and add before snapshot
if !insnap && stats.ts.Before(snapshotTs) {
stats.Remove()
o.sealed.Remove(segmentID)
}
reserve := reserveMap.Contain(segmentID)
intarget := targetMap.Contain(segmentID)
activate := stats.activate.Load()
// save activate if segment in target.
if insnap && intarget && !activate {
if intarget && !activate {
stats.activate.Store(true)
}
// deactivate if segment unreadable.
if insnap && !intarget && activate {
// deactivate if segment not in target.
if !intarget && activate {
stats.activate.Store(false)
}
// remove
// if segment not in target and not in reserve list
// (means segment target version was old version or segment not in snapshot)
// and add before snapshot Ts
// (forbid remove some new segment register after current snapshot)
if !intarget && !reserve && stats.ts.Before(snapshotTs) {
stats.Remove()
o.sealed.Remove(segmentID)
}
return true
})