diff --git a/controllers/mcrouter_controller.go b/controllers/mcrouter_controller.go
index be7e58a5..2450ceb9 100755
--- a/controllers/mcrouter_controller.go
+++ b/controllers/mcrouter_controller.go
@@ -165,15 +165,18 @@ func (r *McrouterReconciler) ReconcilePrometheusRule(ctx context.Context, req ct
 				Name("mcrouter-rule").
 				Rules(
 					builders.Rule().
-						Alert("McrouterBackendDown").
-						Message("Backend Memcached servers are down.").
-						Priority(1).
-						Expr("mcrouter_servers{state='down'}!=0"),
+						Alert("McrouterDown").
+						Priority(2).
+						Expr("mcrouter_up != 1"),
+
 					builders.Rule().
-						Alert("McrouterBackendTimeout").
-						Message("Backend Memcached servers are timeout.").
-						Priority(1).
-						Expr("mcrouter_server_memcached_timeout_count>0"),
+						Alert("McrouterAllBackendsDown").
+						Priority(2).
+						Expr("mcrouter_servers{state='up'} / mcrouter_servers == 0"),
+					builders.Rule().
+						Alert("McrouterBackendDown").
+						Priority(3).
+						Expr("mcrouter_servers{state='down'} != 0"),
 				).
 				Interval("1m")).
 			Build()
diff --git a/controllers/memcached_controller.go b/controllers/memcached_controller.go
index c6c77aed..43390f5c 100755
--- a/controllers/memcached_controller.go
+++ b/controllers/memcached_controller.go
@@ -161,12 +161,19 @@ func (r *MemcachedReconciler) ReconcilePrometheusRule(ctx context.Context, req c
 			RuleGroups(builders.RuleGroup().
 				Name("memcached-rule").
 				Rules(
+					builders.Rule().
+						Alert("MemcachedDown").
+						Priority(3).
+						Expr("memcached_up == 0"),
 
 					builders.Rule().
-						Alert("MemcachedConnectionLimit").
-						Message("This memcached connection is over max.").
-						Priority(1).
-						Expr("memcached_current_connections/memcached_max_connections*100 >90"),
+						Alert("MemcachedMaxConnections").
+						Priority(3).
+						Expr("memcached_current_connections/memcached_max_connections * 100 > 95"),
+					builders.Rule().
+						Alert("MemcachedMaxConnections").
+						Priority(4).
+						Expr("memcached_current_connections/memcached_max_connections * 100 > 90"),
 				).
 				Interval("1m")).
 			Build()