Preallocate spans slice

Signed-off-by: Pavol Loffay <ploffay@redhat.com>
jaegertracing · Nov 15, 2017 · 78db314 · 78db314
1 parent 080a7dd
commit 78db314
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/cmd/collector/app/zipkin/jsonv2.go b/cmd/collector/app/zipkin/jsonv2.go
@@ -21,7 +21,7 @@ import (
 )
 
 func spansV2ToThrift(spans models.ListOfSpans) ([]*zipkincore.Span, error) {
-	var tSpans []*zipkincore.Span
+	tSpans := make([]*zipkincore.Span, 0, len(spans))
 	for _, span := range spans {
 		tSpan, err := spanV2ToThrift(span)
 		if err != nil {