From 0e0304c0de3e404381eb41dca4599a942071c69d Mon Sep 17 00:00:00 2001
From: YuDong Tang <583125614@qq.com>
Date: Wed, 26 May 2021 23:39:00 +0800
Subject: [PATCH] fix bug  issue#3118 and issue#3161 (#3310)

---
 exporter/prometheusexporter/accumulator.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/exporter/prometheusexporter/accumulator.go b/exporter/prometheusexporter/accumulator.go
index d2af0dd635c..3652d05f374 100644
--- a/exporter/prometheusexporter/accumulator.go
+++ b/exporter/prometheusexporter/accumulator.go
@@ -376,7 +376,7 @@ func timeseriesSignature(ilmName string, metric pdata.Metric, labels pdata.Strin
 	b.WriteString(metric.DataType().String())
 	b.WriteString("*" + ilmName)
 	b.WriteString("*" + metric.Name())
-	labels.Range(func(k string, v string) bool {
+	labels.Sort().Range(func(k string, v string) bool {
 		b.WriteString("*" + k + "*" + v)
 		return true
 	})