[release-17.0] vindexes: fix pooled collator buffer memory leak (#14621…

…) (#14623) Co-authored-by: vitess-bot[bot] <108069721+vitess-bot[bot]@users.noreply.github.com>
vitessio · Nov 28, 2023 · 3564a50 · 3564a50
1 parent 29d3784
commit 3564a50
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/go/vt/vtgate/vindexes/unicode.go b/go/vt/vtgate/vindexes/unicode.go
@@ -33,7 +33,10 @@ import (
 
 func unicodeHash(hashFunc func([]byte) []byte, key sqltypes.Value) ([]byte, error) {
 	collator := collatorPool.Get().(*pooledCollator)
-	defer collatorPool.Put(collator)
+	defer func() {
+		collator.buf.Reset()
+		collatorPool.Put(collator)
+	}()
 
 	keyBytes, err := key.ToBytes()
 	if err != nil {