Stephan Ewen created FLINK-6440:
-----------------------------------
Summary: Noisy logs from metric fetcher
Key: FLINK-6440
URL: https://issues.apache.org/jira/browse/FLINK-6440
Project: Flink
Issue Type: Bug
Components: Webfrontend
Affects Versions: 1.3.0
Reporter: Stephan Ewen
Priority: Critical
Fix For: 1.3.0
In cases where TaskManagers fail, the web frontend in the Job Manager starts
logging the exception below every few seconds.
I labeled this as critical, because it actually makes debugging in such a
situation complicated through a log that is flooded with noise.
{code}
2017-05-03 19:37:07,823 WARN
org.apache.flink.runtime.webmonitor.metrics.MetricFetcher - Fetching
metrics failed.
akka.pattern.AskTimeoutException: Ask timed out on
[Actor[akka.tcp://flink@herman:52175/user/MetricQueryService_136f717a6b91e248282cb2937d22088c]]
after [10000 ms]
at
akka.pattern.PromiseActorRef$$anonfun$1.apply$mcV$sp(AskSupport.scala:334)
at akka.actor.Scheduler$$anon$7.run(Scheduler.scala:117)
at
scala.concurrent.Future$InternalCallbackExecutor$.scala$concurrent$Future$InternalCallbackExecutor$$unbatchedExecute(Future.scala:694)
at
scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:691)
at
akka.actor.LightArrayRevolverScheduler$TaskHolder.executeTask(Scheduler.scala:474)
at
akka.actor.LightArrayRevolverScheduler$$anon$8.executeBucket$1(Scheduler.scala:425)
at
akka.actor.LightArrayRevolverScheduler$$anon$8.nextTick(Scheduler.scala:429)
at
akka.actor.LightArrayRevolverScheduler$$anon$8.run(Scheduler.scala:381)
at java.lang.Thread.run(Thread.java:745)
{code}
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