fix(util): specify map len (#15831)

Signed-off-by: Artur Melanchyk <arturmelanchyk@imail.name>
grafana · Jan 17, 2025 · 3d9e9d9 · 3d9e9d9
1 parent 71e30bb
commit 3d9e9d9
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/pkg/util/marshal/marshal.go b/pkg/util/marshal/marshal.go
@@ -126,8 +126,9 @@ func WriteSeriesResponseJSON(series []logproto.SeriesIdentifier, w io.Writer) er
 	}
 
 	for _, series := range series {
-		m := make(map[string]string, 0)
-		for _, pair := range series.GetLabels() {
+		labels := series.GetLabels()
+		m := make(map[string]string, len(labels))
+		for _, pair := range labels {
 			m[pair.Key] = pair.Value
 		}
 		adapter.Data = append(adapter.Data, m)