project initialization

monitoring/grafana/dashboards/database-dashboard.json

@@ -0,0 +1,155 @@
+{
+  "dashboard": {
+    "id": null,
+    "title": "Database Performance",
+    "tags": ["database", "performance"],
+    "timezone": "Asia/Kuala_Lumpur",
+    "panels": [
+      {
+        "id": 1,
+        "title": "Database Connections",
+        "type": "graph",
+        "gridPos": {"h": 8, "w": 12, "x": 0, "y": 0},
+        "targets": [
+          {
+            "expr": "pg_stat_database_numbackends",
+            "legendFormat": "Active Connections"
+          },
+          {
+            "expr": "pg_settings_max_connections",
+            "legendFormat": "Max Connections"
+          }
+        ],
+        "yaxes": [{"label": "Connections"}]
+      },
+      {
+        "id": 2,
+        "title": "Database Query Performance",
+        "type": "graph",
+        "gridPos": {"h": 8, "w": 12, "x": 12, "y": 0},
+        "targets": [
+          {
+            "expr": "rate(pg_stat_statements_total_time_ms[5m])",
+            "legendFormat": "Total Query Time"
+          },
+          {
+            "expr": "rate(pg_stat_statements_calls[5m])",
+            "legendFormat": "Query Calls"
+          }
+        ],
+        "yaxes": [{"label": "Rate"}]
+      },
+      {
+        "id": 3,
+        "title": "Database Transactions",
+        "type": "graph",
+        "gridPos": {"h": 8, "w": 12, "x": 0, "y": 8},
+        "targets": [
+          {
+            "expr": "rate(pg_stat_database_xact_commit[5m])",
+            "legendFormat": "Commits"
+          },
+          {
+            "expr": "rate(pg_stat_database_xact_rollback[5m])",
+            "legendFormat": "Rollbacks"
+          }
+        ],
+        "yaxes": [{"label": "Transactions/sec"}]
+      },
+      {
+        "id": 4,
+        "title": "Database Locks",
+        "type": "graph",
+        "gridPos": {"h": 8, "w": 12, "x": 12, "y": 8},
+        "targets": [
+          {
+            "expr": "pg_locks_count",
+            "legendFormat": "Active Locks"
+          },
+          {
+            "expr": "rate(pg_stat_database_deadlocks[5m])",
+            "legendFormat": "Deadlocks/sec"
+          }
+        ],
+        "yaxes": [{"label": "Count"}]
+      },
+      {
+        "id": 5,
+        "title": "Database Cache Hit Rate",
+        "type": "graph",
+        "gridPos": {"h": 8, "w": 12, "x": 0, "y": 16},
+        "targets": [
+          {
+            "expr": "rate(pg_stat_database_blks_hit[5m]) / (rate(pg_stat_database_blks_hit[5m]) + rate(pg_stat_database_blks_read[5m])) * 100",
+            "legendFormat": "Cache Hit Rate %"
+          }
+        ],
+        "yaxes": [{"label": "Hit Rate %"}]
+      },
+      {
+        "id": 6,
+        "title": "Database Size",
+        "type": "graph",
+        "gridPos": {"h": 8, "w": 12, "x": 12, "y": 16},
+        "targets": [
+          {
+            "expr": "pg_database_size_bytes",
+            "legendFormat": "Database Size"
+          }
+        ],
+        "yaxes": [{"label": "Bytes"}]
+      },
+      {
+        "id": 7,
+        "title": "Table Access Statistics",
+        "type": "table",
+        "gridPos": {"h": 8, "w": 24, "x": 0, "y": 24},
+        "targets": [
+          {
+            "expr": "pg_stat_user_tables",
+            "format": "table",
+            "legendFormat": "{{relname}}"
+          }
+        ],
+        "fieldConfig": {
+          "defaults": {
+            "custom": {
+              "align": "auto",
+              "displayMode": "auto"
+            }
+          }
+        }
+      },
+      {
+        "id": 8,
+        "title": "Database Replication Lag",
+        "type": "graph",
+        "gridPos": {"h": 8, "w": 12, "x": 0, "y": 32},
+        "targets": [
+          {
+            "expr": "pg_stat_replication replication_lag",
+            "legendFormat": "Replication Lag"
+          }
+        ],
+        "yaxes": [{"label": "Seconds"}]
+      },
+      {
+        "id": 9,
+        "title": "Database Uptime",
+        "type": "stat",
+        "gridPos": {"h": 4, "w": 6, "x": 12, "y": 32},
+        "targets": [
+          {
+            "expr": "pg_postmaster_start_time_seconds",
+            "legendFormat": "Uptime"
+          }
+        ]
+      }
+    ],
+    "time": {
+      "from": "now-1h",
+      "to": "now"
+    },
+    "refresh": "30s"
+  }
+}