datadog.rules.yml: add a few more cluster wide metrics

Author: amnonh

docs/source/procedures/datadog/datadog.rules.yml

@@ -493,3 +493,28 @@ groups:
       by: "cluster"
       status: "0"
       dd: "1"
+  - record: scylla_database_total_view_updates_pushed_local_total
+    expr: sum(scylla_database_total_view_updates_pushed_local) by(cluster)
+    labels:
+      by: "cluster"
+      dd: "1"
+  - record: large_partition_exceeding_threshold_total
+    expr: sum(large_partition_exceeding_threshold) by(cluster)
+    labels:
+      by: "cluster"
+      dd: "1"
+  - record: scylla_storage_proxy_coordinator_cas_read_latency_count_ag
+    expr: sum(scylla_storage_proxy_coordinator_cas_read_latency_count) by (cluster)
+    labels:
+      by: "cluster"
+      dd: "1"
+  - record: scylla_storage_proxy_coordinator_cas_write_latency_count_ag
+    expr: sum(scylla_storage_proxy_coordinator_cas_write_latency_count) by (cluster)
+    labels:
+      by: "cluster"
+      dd: "1"
+  - record: scylla_alternator_op_latency_total
+    expr: sum(scylla_alternator_op_latency_count) by (cluster, op)
+    labels:
+      by: "cluster"
+      dd: "1"