From d0bd4079924cc91a96a0bfed1441c3522b09cff5 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 67fdc1598cc21..7a2d1abd1e872 100644
--- a/pkg/metrics/grafana/tidb.json
+++ b/pkg/metrics/grafana/tidb.json
@@ -16654,7 +16654,7 @@
           "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,
@@ -16664,7 +16664,7 @@
             },
             {
               "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": "",
@@ -16678,7 +16678,7 @@
           "timeFrom": null,
           "timeRegions": [],
           "timeShift": null,
-          "title": "Sync Load Latency 95",
+          "title": "Sync Load Latency P99.99",
           "tooltip": {
             "shared": true,
             "sort": 0,

From 66d00cef7d83ea31205c90dfaf95bb7e3efafe78 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 7a2d1abd1e872..0835ec395599a 100644
--- a/pkg/metrics/grafana/tidb.json
+++ b/pkg/metrics/grafana/tidb.json
@@ -16678,7 +16678,7 @@
           "timeFrom": null,
           "timeRegions": [],
           "timeShift": null,
-          "title": "Sync Load Latency P99.99",
+          "title": "Sync Load Latency P9999",
           "tooltip": {
             "shared": true,
             "sort": 0,