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From Andra Lungu <lungu.an...@gmail.com>
Subject Re: Flink Runtime Exception
Date Fri, 19 Jun 2015 12:17:32 GMT
Yes, so I am using flink-0.9.0-milestone-1. Was it a problem for this
version?
I'll just fetch the latest master if this is the case.

On Fri, Jun 19, 2015 at 2:12 PM, Till Rohrmann <trohrmann@apache.org> wrote:

> Hi Andra,
>
> the problem seems to be that the deployment of some tasks takes longer than
> 100s. From the stack trace it looks as if you're not using the latest
> master.
>
> We had problems with previous version where the deployment call waited for
> the TM to completely download the user code jars. For large setups the
> BlobServer became a bottleneck and some of the deployment calls timed out.
> We updated the deployment logic so that the TM sends an immediate ACK backt
> to the JM when it receives a new task.
>
> Could you verify which version of Flink you're running and in case that
> it's not the latest master, could you please try to run your example with
> the latest code?
>
> Cheers,
> Till
>
> On Fri, Jun 19, 2015 at 1:42 PM Andra Lungu <lungu.andra@gmail.com> wrote:
>
> > Hi everyone,
> >
> > I ran a job this morning on 30 wally nodes. DOP 224. Worked like a charm.
> >
> > Then, I ran a similar job, on the exact same configuration, on the same
> > input data set. The only difference between them is that the second job
> > computes the degrees per vertex and, for vertices with degree higher
> than a
> > user-defined threshold, it does a bit of magic(roughly a bunch of
> > coGroups). The problem is that, even before the extra functions get
> called,
> > I get the following type of exception:
> >
> > 06/19/2015 12:06:43     CHAIN FlatMap (FlatMap at
> > fromDataSet(Graph.java:171)) -> Combine(Distinct at
> > fromDataSet(Graph.java:171))(222/224) switched to FAILED
> > java.lang.IllegalStateException: Update task on instance
> > 29073fb0b0957198a2b67569b042d56b @ wally004 - 8 slots - URL: akka.tcp://
> > flink@130.149.249.14:44528/user/taskmanager failed due to:
> >         at
> >
> >
> org.apache.flink.runtime.executiongraph.Execution$5.onFailure(Execution.java:860)
> >         at akka.dispatch.OnFailure.internal(Future.scala:228)
> >         at akka.dispatch.OnFailure.internal(Future.scala:227)
> >         at akka.dispatch.japi$CallbackBridge.apply(Future.scala:174)
> >         at akka.dispatch.japi$CallbackBridge.apply(Future.scala:171)
> >         at
> > scala.PartialFunction$class.applyOrElse(PartialFunction.scala:118)
> >         at
> >
> >
> scala.runtime.AbstractPartialFunction.applyOrElse(AbstractPartialFunction.scala:25)
> >         at
> > scala.concurrent.Future$$anonfun$onFailure$1.apply(Future.scala:136)
> >         at
> > scala.concurrent.Future$$anonfun$onFailure$1.apply(Future.scala:134)
> >         at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:32)
> >         at
> >
> >
> scala.concurrent.impl.ExecutionContextImpl$$anon$3.exec(ExecutionContextImpl.scala:107)
> >         at
> > scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
> >         at
> >
> >
> scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
> >         at
> > scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> >         at
> >
> >
> scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> > Caused by: akka.pattern.AskTimeoutException: Ask timed out on
> > [Actor[akka.tcp://flink@130.149.249.14:44528/user/taskmanager#82700874]]
> > after [100000 ms]
> >         at
> >
> akka.pattern.PromiseActorRef$$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:722)
> >
> >
> >  At first I thought, okay maybe wally004 is down; then I ssh'd into it.
> > Works fine.
> >
> > The full output can be found here:
> > https://gist.github.com/andralungu/d222b75cb33aea57955d
> >
> > Does anyone have any idea about what may have triggered this? :(
> >
> > Thanks!
> > Andra
> >
>

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