Fix max_alarm_queries_per_refresh_interval configuration parameter. Change default value from 3 to 10.

application/src/main/java/org/thingsboard/server/service/subscription/DefaultTbEntityDataSubscriptionService.java

@@ -128,7 +128,7 @@ public class DefaultTbEntityDataSubscriptionService implements TbEntityDataSubsc
     private int maxEntitiesPerDataSubscription;
     @Value("${server.ws.max_entities_per_alarm_subscription:1000}")
     private int maxEntitiesPerAlarmSubscription;
-    @Value("${server.ws.max_alarm_queries_per_refresh_interval:3}")
+    @Value("${server.ws.dynamic_page_link.max_alarm_queries_per_refresh_interval:10}")
     private int maxAlarmQueriesPerRefreshInterval;
 
     private ExecutorService wsCallBackExecutor;

application/src/main/java/org/thingsboard/server/service/subscription/TbAlarmDataSubCtx.java

@@ -99,6 +99,8 @@ public class TbAlarmDataSubCtx extends TbAbstractDataSubCtx<AlarmDataQuery> {
         log.trace("[{}] Fetching alarms: {}", cmdId, alarmInvocationAttempts);
         if (alarmInvocationAttempts <= maxAlarmQueriesPerRefreshInterval) {
             doFetchAlarms();
+        } else {
+            log.trace("[{}] Ignore alarm fetch due to rate limit: [{}] of maximum [{}]", cmdId, alarmInvocationAttempts, maxAlarmQueriesPerRefreshInterval);
         }
     }
 

application/src/main/resources/thingsboard.yml

@@ -71,7 +71,7 @@ server:
     dynamic_page_link:
       refresh_interval: "${TB_SERVER_WS_DYNAMIC_PAGE_LINK_REFRESH_INTERVAL_SEC:60}"
       refresh_pool_size: "${TB_SERVER_WS_DYNAMIC_PAGE_LINK_REFRESH_POOL_SIZE:1}"
-      max_alarm_queries_per_refresh_interval: "${TB_SERVER_WS_MAX_ALARM_QUERIES_PER_REFRESH_INTERVAL:3}"
+      max_alarm_queries_per_refresh_interval: "${TB_SERVER_WS_MAX_ALARM_QUERIES_PER_REFRESH_INTERVAL:10}"
       max_per_user: "${TB_SERVER_WS_DYNAMIC_PAGE_LINK_MAX_PER_USER:10}"
     max_entities_per_data_subscription: "${TB_SERVER_WS_MAX_ENTITIES_PER_DATA_SUBSCRIPTION:10000}"
     max_entities_per_alarm_subscription: "${TB_SERVER_WS_MAX_ENTITIES_PER_ALARM_SUBSCRIPTION:10000}"