[mongo] add queued read and write operations monitors

mongo/assets/monitors/high_queued_readers.json

@@ -0,0 +1,34 @@
+{
+    "version": 2,
+    "created_at": "2024-10-16",
+    "last_updated_at": "2024-10-16",
+    "title": "High queued readers",
+    "tags": [
+      "integration:mongodb"
+    ],
+    "description": "This monitor tracks the number of read operations that are currently queued and waiting for the read lock on a MongoDB cluster to alert when it is high.",
+    "definition": {
+      "message": "MongoDB Cluster {{clustername.name}} has a high number of read operations that are currently queued and waiting for the read lock. The number of read operations that are currently queued is {{value}}.",
+      "name": "[MongoDB] High number of read operations that are currently queued",
+      "options": {
+        "escalation_message": "",
+        "include_tags": true,
+        "locked": false,
+        "new_host_delay": 300,
+        "no_data_timeframe": null,
+        "notify_audit": false,
+        "notify_no_data": false,
+        "renotify_interval": "0",
+        "require_full_window": true,
+        "thresholds": {
+          "critical": 100
+        },
+        "timeout_h": 0
+      },
+      "query": "max(last_5m):avg:mongodb.globallock.currentqueue.readers{*} by {clustername} > 100",
+      "tags": [
+        "integration:mongodb"
+      ],
+      "type": "query alert"
+    }
+  }

mongo/assets/monitors/high_queued_writers.json

@@ -0,0 +1,34 @@
+{
+    "version": 2,
+    "created_at": "2024-10-16",
+    "last_updated_at": "2024-10-16",
+    "title": "High queued writers",
+    "tags": [
+      "integration:mongodb"
+    ],
+    "description": "This monitor tracks the number of write operations that are currently queued and waiting for the write lock on a MongoDB cluster to alert when it is high.",
+    "definition": {
+      "message": "MongoDB Cluster {{clustername.name}} has a high number of write operations that are currently queued and waiting for the write lock. The number of write operations that are currently queued is {{value}}.",
+      "name": "[MongoDB] High number of write operations that are currently queued",
+      "options": {
+        "escalation_message": "",
+        "include_tags": true,
+        "locked": false,
+        "new_host_delay": 300,
+        "no_data_timeframe": null,
+        "notify_audit": false,
+        "notify_no_data": false,
+        "renotify_interval": "0",
+        "require_full_window": true,
+        "thresholds": {
+          "critical": 100
+        },
+        "timeout_h": 0
+      },
+      "query": "max(last_5m):avg:mongodb.globallock.currentqueue.writers{*} by {clustername} > 100",
+      "tags": [
+        "integration:mongodb"
+      ],
+      "type": "query alert"
+    }
+  }

mongo/manifest.json

@@ -64,6 +64,8 @@
     },
     "monitors": {
       "Connection pool is reaching saturation": "assets/monitors/high_connections.json",
+      "High queued readers": "assets/monitors/high_queued_readers.json",
+      "High queued writers": "assets/monitors/high_queued_writers.json",
       "High replication lag": "assets/monitors/high_replication_lag.json",
       "Low oplog window": "assets/monitors/low_oplog_window.json",
       "Unhealthy replica set member": "assets/monitors/unhealthy_repliset_member.json",