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enhance: Skip loading pk index for sorted segment in loader (#39437)

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Related to #39339
Previous PR #39389 only skips append index into segment

Also related to #39428

Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
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congqixia 2025-01-20 18:17:10 +08:00 committed by GitHub
parent 513b489c85
commit fb5761af8d
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1 changed files with 13 additions and 0 deletions
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13
internal/querynodev2/segments/segment.go
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@ -1021,6 +1021,19 @@ func (s *LocalSegment) LoadIndex(ctx context.Context, indexInfo *querypb.FieldIn
return err
}
// // if segment is pk sorted, user created indexes bring no performance gain but extra memory usage
if s.IsSorted() && fieldSchema.GetIsPrimaryKey() {
log.Info("skip loading index for pk field in sorted segment")
// set field index, preventing repeated loading index task
s.fieldIndexes.Insert(indexInfo.GetFieldID(), &IndexedFieldInfo{
FieldBinlog: &datapb.FieldBinlog{
FieldID: indexInfo.GetFieldID(),
},
IndexInfo: indexInfo,
IsLoaded: true,
})
}
return s.innerLoadIndex(ctx, fieldSchema, indexInfo, tr, fieldType)
}