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Backup: remove improper memory usage during full backup #58591

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merged 1 commit into from
Dec 30, 2024
Merged

Backup: remove improper memory usage during full backup #58591

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4 changes: 3 additions & 1 deletion br/pkg/rtree/rtree.go
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Original file line number Diff line number Diff line change
Expand Up @@ -278,7 +278,9 @@ func (rangeTree *RangeTree) GetIncompleteRange(
if len(startKey) != 0 && bytes.Equal(startKey, endKey) {
return []Range{}
}
incomplete := make([]Range, 0, 64)
// Don't use a large buffer, because it will cause memory issue.
// And the number of missing ranges is usually small.
incomplete := make([]Range, 0, 1)
requestRange := Range{StartKey: startKey, EndKey: endKey}
lastEndKey := startKey
pviot := &Range{StartKey: startKey}
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