fix: protect publish path from mysql exhaustion

2026-09-27 18:35:54 +08:00
parent 36eb76a5e3
commit 3bb6774786
17 changed files with 308 additions and 21 deletions
@@ -49,6 +49,20 @@ spec:
            summary: "IM WebSocket connections are imbalanced across pods"
    - name: im-server-persistence
      rules:
+        - alert: IMDatabasePoolHigh
+          expr: im_db_pool_in_use_connections / clamp_min(im_db_pool_max_open_connections, 1) > 0.85
+          for: 1m
+          labels:
+            severity: warning
+          annotations:
+            summary: "IM database pool usage is above 85%"
+        - alert: IMDatabasePoolCritical
+          expr: im_db_pool_in_use_connections / clamp_min(im_db_pool_max_open_connections, 1) > 0.95
+          for: 30s
+          labels:
+            severity: critical
+          annotations:
+            summary: "IM database pool usage is above 95%"
        - alert: IMKafkaPersistDeadLetter
          expr: sum by (kind, reason) (increase(im_kafka_dead_letters_total[5m])) > 0
          labels: