Merge branch 'release-5.2' into cherry-pick-3845-to-release-5.2

pingcap · Dec 20, 2021 · 589c0a2 · 589c0a2
2 parents e13bf3b + b125de9
commit 589c0a2
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/metrics/alertmanager/ticdc.rules.yml b/metrics/alertmanager/ticdc.rules.yml
@@ -13,6 +13,18 @@ groups:
       value: '{{ $value }}'
       summary: cdc cluster has multiple owners
 
+  - alert: cdc_no_owner
+    expr: sum(rate(ticdc_owner_ownership_counter[30s])) < 0.5
+    for: 10m
+    labels:
+      env: ENV_LABELS_ENV
+      level: warning
+      expr: sum(rate(ticdc_owner_ownership_counter[30s])) < 0.5
+    annotations:
+      description: 'cluster: ENV_LABELS_ENV, instance: {{ $labels.instance }}, values: {{ $value }}'
+      value: '{{ $value }}'
+      summary: cdc cluster has no owner for more than 10 minutes
+
   - alert: cdc_checkpoint_high_delay
     expr: ticdc_processor_checkpoint_ts_lag > 600
     for: 1m