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https://issues.apache.org/jira/browse/FLINK-10247?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16631439#comment-16631439
 ] 

ASF GitHub Bot commented on FLINK-10247:
----------------------------------------

yanghua commented on a change in pull request #6759: [FLINK-10247][Metrics] Run 
MetricQueryService in a dedicated actor system
URL: https://github.com/apache/flink/pull/6759#discussion_r221155740
 
 

 ##########
 File path: 
flink-runtime/src/main/java/org/apache/flink/runtime/clusterframework/BootstrapTools.java
 ##########
 @@ -87,11 +89,35 @@
         * @return The ActorSystem which has been started
         * @throws Exception
         */
+       public static ActorSystem startActorSystem(
+               Configuration configuration,
+               String listeningAddress,
+               String portRangeDefinition,
+               Logger logger) throws Exception {
+               return startActorSystem(
+                       configuration,
+                       listeningAddress,
+                       portRangeDefinition,
+                       logger,
+                       AkkaExecutorMode.FORK_JOIN_EXECUTOR);
+       }
+
+       /**
+        * Starts an ActorSystem with the given configuration listening at the 
address/ports.
+        * @param configuration The Flink configuration
 
 Review comment:
   insert a empty line before the first `@param`

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> Run MetricQueryService in separate thread pool
> ----------------------------------------------
>
>                 Key: FLINK-10247
>                 URL: https://issues.apache.org/jira/browse/FLINK-10247
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Metrics
>    Affects Versions: 1.5.3, 1.6.0, 1.7.0
>            Reporter: Till Rohrmann
>            Assignee: Shimin Yang
>            Priority: Critical
>              Labels: pull-request-available
>             Fix For: 1.7.0, 1.6.2, 1.5.5
>
>
> In order to make the {{MetricQueryService}} run independently of the main 
> Flink components, it should get its own dedicated thread pool assigned.



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