[jira] [Closed] (FLINK-5072) MetricFetcher Ask Timeout

["Chesnay Schepler (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-5072?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chesnay Schepler closed FLINK-5072.
-----------------------------------
    Resolution: Not A Problem

> MetricFetcher Ask Timeout
> -------------------------
>
>                 Key: FLINK-5072
>                 URL: https://issues.apache.org/jira/browse/FLINK-5072
>             Project: Flink
>          Issue Type: Improvement
>          Components: Metrics
>            Reporter: Ufuk Celebi
>
> Running a large scale test with 1.2-SNAPSHOT and heavy load on the TMs, I encountered a lot of ask timeouts for the metric fetcher:
> {code}
> akka.pattern.AskTimeoutException: Ask timed out on [Actor[akka.tcp://flink@10.240.0.52:34471/user/MetricQueryService_container_1479207428252_0014_01_000026]] after [10000 ms]
> 	at akka.pattern.PromiseActorRef$$anonfun$1.apply$mcV$sp(AskSupport.scala:333)
> 	at akka.actor.Scheduler$$anon$7.run(Scheduler.scala:117)
> 	at scala.concurrent.Future$InternalCallbackExecutor$.scala$concurrent$Future$InternalCallbackExecutor$$unbatchedExecute(Future.scala:694)
> 	at scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:691)
> 	at akka.actor.LightArrayRevolverScheduler$TaskHolder.executeTask(Scheduler.scala:467)
> 	at akka.actor.LightArrayRevolverScheduler$$anon$8.executeBucket$1(Scheduler.scala:419)
> 	at akka.actor.LightArrayRevolverScheduler$$anon$8.nextTick(Scheduler.scala:423)
> 	at akka.actor.LightArrayRevolverScheduler$$anon$8.run(Scheduler.scala:375)
> 	at java.lang.Thread.run(Thread.java:745)
> {code}
> [~zentol] Does it make sense to investigate this further?



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