From d6924688cf7d9d94df073dcb9eb0f8a77c2775a2 Mon Sep 17 00:00:00 2001
From: Weizhen Wang <wangweizhen@pingcap.com>
Date: Wed, 30 Oct 2024 11:31:43 +0800
Subject: [PATCH 1/2] metrics: set sync load latency P99.99

Signed-off-by: Weizhen Wang <wangweizhen@pingcap.com>
---
 pkg/metrics/grafana/tidb.json | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pkg/metrics/grafana/tidb.json b/pkg/metrics/grafana/tidb.json
index b7f64910a5f4b..8cda8dc02f5d4 100644
--- a/pkg/metrics/grafana/tidb.json
+++ b/pkg/metrics/grafana/tidb.json
@@ -15316,7 +15316,7 @@
           "targets": [
             {
               "exemplar": true,
-              "expr": "histogram_quantile(0.95, sum(rate(tidb_statistics_sync_load_latency_millis_bucket{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}[1m])) by (le))",
+              "expr": "histogram_quantile(0.9999, sum(rate(tidb_statistics_sync_load_latency_millis_bucket{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}[1m])) by (le))",
               "format": "time_series",
               "interval": "",
               "intervalFactor": 2,
@@ -15326,7 +15326,7 @@
             },
             {
               "exemplar": true,
-              "expr": "histogram_quantile(0.95, sum(rate(tidb_statistics_read_stats_latency_millis_bucket{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}[1m])) by (le))",
+              "expr": "histogram_quantile(0.9999, sum(rate(tidb_statistics_read_stats_latency_millis_bucket{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}[1m])) by (le))",
               "format": "time_series",
               "hide": false,
               "interval": "",
@@ -15340,7 +15340,7 @@
           "timeFrom": null,
           "timeRegions": [],
           "timeShift": null,
-          "title": "Sync Load Latency 95",
+          "title": "Sync Load Latency P99.99",
           "tooltip": {
             "shared": true,
             "sort": 0,

From 94339dc7932eda65d01154227773f62d64b2a5e2 Mon Sep 17 00:00:00 2001
From: Weizhen Wang <wangweizhen@pingcap.com>
Date: Wed, 30 Oct 2024 11:43:12 +0800
Subject: [PATCH 2/2] update

---
 pkg/metrics/grafana/tidb.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg/metrics/grafana/tidb.json b/pkg/metrics/grafana/tidb.json
index 8cda8dc02f5d4..f84ad21f4f89b 100644
--- a/pkg/metrics/grafana/tidb.json
+++ b/pkg/metrics/grafana/tidb.json
@@ -15340,7 +15340,7 @@
           "timeFrom": null,
           "timeRegions": [],
           "timeShift": null,
-          "title": "Sync Load Latency P99.99",
+          "title": "Sync Load Latency P9999",
           "tooltip": {
             "shared": true,
             "sort": 0,