From 65aec219c8f7c36de9e25857b8a64b374a6c4f44 Mon Sep 17 00:00:00 2001
From: danielqsj <qsj.daniel@gmail.com>
Date: Wed, 26 Dec 2018 16:00:38 +0800
Subject: [PATCH] Move docker metrics to histogram metrics

---
 pkg/kubelet/dockershim/metrics/metrics.go         | 5 +++--
 pkg/kubelet/dockershim/network/metrics/metrics.go | 5 +++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/pkg/kubelet/dockershim/metrics/metrics.go b/pkg/kubelet/dockershim/metrics/metrics.go
index 51be147d043..e513846bc81 100644
--- a/pkg/kubelet/dockershim/metrics/metrics.go
+++ b/pkg/kubelet/dockershim/metrics/metrics.go
@@ -49,11 +49,12 @@ const (
 var (
 	// DockerOperationsLatency collects operation latency numbers by operation
 	// type.
-	DockerOperationsLatency = prometheus.NewSummaryVec(
-		prometheus.SummaryOpts{
+	DockerOperationsLatency = prometheus.NewHistogramVec(
+		prometheus.HistogramOpts{
 			Subsystem: kubeletSubsystem,
 			Name:      DockerOperationsLatencyKey,
 			Help:      "Latency in seconds of Docker operations. Broken down by operation type.",
+			Buckets:   prometheus.DefBuckets,
 		},
 		[]string{"operation_type"},
 	)
diff --git a/pkg/kubelet/dockershim/network/metrics/metrics.go b/pkg/kubelet/dockershim/network/metrics/metrics.go
index d6082048145..8ece2169da1 100644
--- a/pkg/kubelet/dockershim/network/metrics/metrics.go
+++ b/pkg/kubelet/dockershim/network/metrics/metrics.go
@@ -38,11 +38,12 @@ const (
 var (
 	// NetworkPluginOperationsLatency collects operation latency numbers by operation
 	// type.
-	NetworkPluginOperationsLatency = prometheus.NewSummaryVec(
-		prometheus.SummaryOpts{
+	NetworkPluginOperationsLatency = prometheus.NewHistogramVec(
+		prometheus.HistogramOpts{
 			Subsystem: kubeletSubsystem,
 			Name:      NetworkPluginOperationsLatencyKey,
 			Help:      "Latency in seconds of network plugin operations. Broken down by operation type.",
+			Buckets:   prometheus.DefBuckets,
 		},
 		[]string{"operation_type"},
 	)