From 523da29b1013bd23bb9d2ebc98001fbac3913ffd Mon Sep 17 00:00:00 2001
From: tiancaiamao <tiancaiamao@gmail.com>
Date: Wed, 13 Jul 2022 15:37:05 +0800
Subject: [PATCH] metrics/grafana: bring back the plan cache miss panel
 (#36081)

close pingcap/tidb#36079
---
 metrics/grafana/tidb.json | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/metrics/grafana/tidb.json b/metrics/grafana/tidb.json
index e03f651459..7b15d3d6bb 100644
--- a/metrics/grafana/tidb.json
+++ b/metrics/grafana/tidb.json
@@ -6904,7 +6904,7 @@
           "dashes": false,
           "datasource": "${DS_TEST-CLUSTER}",
           "decimals": null,
-          "description": "TiDB plan cache hit total",
+          "description": "TiDB plan cache miss total",
           "editable": true,
           "error": false,
           "fieldConfig": {
@@ -6955,7 +6955,7 @@
           "steppedLine": false,
           "targets": [
             {
-              "expr": "sum(rate(tidb_server_plan_cache_total{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}[1m])) by (type)",
+              "expr": "sum(rate(tidb_server_plan_cache_miss_total{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}[1m])) by (type)",
               "format": "time_series",
               "intervalFactor": 2,
               "legendFormat": "{{type}}",
@@ -6967,7 +6967,7 @@
           "timeFrom": null,
           "timeRegions": [],
           "timeShift": null,
-          "title": "Queries Using Plan Cache OPS",
+          "title": "Plan Cache Miss OPS",
           "tooltip": {
             "msResolution": false,
             "shared": true,
@@ -16119,4 +16119,4 @@
   "title": "Test-Cluster-TiDB",
   "uid": "000000011",
   "version": 1
-}
\ No newline at end of file
+}