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From KOSTIANTYN Kudriavtsev <kudryavtsev.konstan...@gmail.com>
Subject Re: Debug OutOfMemory
Date Thu, 08 Oct 2015 16:29:06 GMT
10/08/2015 16:25:48     CHAIN DataSource (at
com.epam.AirSetJobExample$.main(AirSetJobExample.scala:31)
(org.apache.flink.api.java.io.TextInputFormat)) -> Filter (Filter at
com.epam.AirSetJobExample$.main(AirSetJobExample.scala:31)) -> FlatMap
(FlatMap at count(DataSet.scala:523))(1/1) switched to FAILED
java.lang.OutOfMemoryError: Java heap space
        at
org.apache.flink.api.common.io.DelimitedInputFormat.readLine(DelimitedInputFormat.java:543)
        at
org.apache.flink.api.common.io.DelimitedInputFormat.nextRecord(DelimitedInputFormat.java:453)
        at
org.apache.flink.runtime.operators.DataSourceTask.invoke(DataSourceTask.java:176)
        at org.apache.flink.runtime.taskmanager.Task.run(Task.java:559)
        at java.lang.Thread.run(Thread.java:745)

10/08/2015 16:25:48     Job execution switched to status FAILING.
10/08/2015 16:25:48     DataSink
(org.apache.flink.api.java.io.DiscardingOutputFormat@58dbb8cf)(1/1)
switched to CANCELED
10/08/2015 16:25:48     Job execution switched to status FAILED.
org.apache.flink.client.program.ProgramInvocationException: The program
execution failed: Job execution failed.
        at org.apache.flink.client.program.Client.run(Client.java:413)
        at org.apache.flink.client.program.Client.run(Client.java:356)
        at org.apache.flink.client.program.Client.run(Client.java:349)
        at
org.apache.flink.client.program.ContextEnvironment.execute(ContextEnvironment.java:63)
        at
org.apache.flink.api.java.ExecutionEnvironment.execute(ExecutionEnvironment.java:789)
        at
org.apache.flink.api.scala.ExecutionEnvironment.execute(ExecutionEnvironment.scala:576)
        at org.apache.flink.api.scala.DataSet.count(DataSet.scala:524)
        at com.epam.AirSetJobExample$.main(AirSetJobExample.scala:35)
        at com.epam.AirSetJobExample.main(AirSetJobExample.scala)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at
org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:437)
        at
org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:353)
        at org.apache.flink.client.program.Client.run(Client.java:315)
        at
org.apache.flink.client.CliFrontend.executeProgram(CliFrontend.java:582)
        at org.apache.flink.client.CliFrontend.run(CliFrontend.java:288)
        at
org.apache.flink.client.CliFrontend.parseParameters(CliFrontend.java:878)
        at org.apache.flink.client.CliFrontend.main(CliFrontend.java:920)
Caused by: org.apache.flink.runtime.client.JobExecutionException: Job
execution failed.
        at
org.apache.flink.runtime.jobmanager.JobManager$$anonfun$receiveWithLogMessages$1.applyOrElse(JobManager.scala:314)
        at
scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33)
        at
scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33)
        at
scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25)
        at
org.apache.flink.yarn.ApplicationMasterActor$$anonfun$receiveYarnMessages$1.applyOrElse(ApplicationMasterActor.scala:100)
        at scala.PartialFunction$OrElse.apply(PartialFunction.scala:162)
        at
org.apache.flink.runtime.ActorLogMessages$$anon$1.apply(ActorLogMessages.scala:36)
        at
org.apache.flink.runtime.ActorLogMessages$$anon$1.apply(ActorLogMessages.scala:29)
        at
scala.PartialFunction$class.applyOrElse(PartialFunction.scala:118)
        at
org.apache.flink.runtime.ActorLogMessages$$anon$1.applyOrElse(ActorLogMessages.scala:29)
        at akka.actor.Actor$class.aroundReceive(Actor.scala:465)
        at
org.apache.flink.runtime.jobmanager.JobManager.aroundReceive(JobManager.scala:92)
        at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516)
        at akka.actor.ActorCell.invoke(ActorCell.scala:487)
        at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:254)
        at akka.dispatch.Mailbox.run(Mailbox.scala:221)
        at akka.dispatch.Mailbox.exec(Mailbox.scala:231)
        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: java.lang.OutOfMemoryError: Java heap space
        at
org.apache.flink.api.common.io.DelimitedInputFormat.readLine(DelimitedInputFormat.java:543)
        at
org.apache.flink.api.common.io.DelimitedInputFormat.nextRecord(DelimitedInputFormat.java:453)
        at
org.apache.flink.runtime.operators.DataSourceTask.invoke(DataSourceTask.java:176)
        at org.apache.flink.runtime.taskmanager.Task.run(Task.java:559)
        at java.lang.Thread.run(Thread.java:745)


Thank you,
Konstantin Kudryavtsev

On Thu, Oct 8, 2015 at 12:23 PM, Stephan Ewen <sewen@apache.org> wrote:

> Can you paste the exception stack trace?
>
> On Thu, Oct 8, 2015 at 6:15 PM, KOSTIANTYN Kudriavtsev <
> kudryavtsev.konstantin@gmail.com> wrote:
>
>> It's DataSet program that performs simple filtering, crossjoin and
>> aggregation.
>>
>> I'm using Hadoop S3 FileSystem (not Emr) as far as Flink's s3 connector
>> doesn't work at all.
>>
>> Currently I have 3 taskmanagers each 5k MB, but I tried different
>> configurations and all leads to the same exception
>>
>> *Sent from my ZenFone
>> On Oct 8, 2015 12:05 PM, "Stephan Ewen" <sewen@apache.org> wrote:
>>
>>> Can you give us a bit more background?  What exactly is your program
>>> doing?
>>>
>>>   - Are you running a DataSet program, or a DataStream program?
>>>   - Is it one simple source that reads from S3, or are there multiple
>>> sources?
>>>   - What operations do you apply on the CSV file?
>>>   - Are you using Flink's S3 connector, or the Hadoop S3 file system?
>>>
>>> Greetings,
>>> Stephan
>>>
>>>
>>> On Thu, Oct 8, 2015 at 5:58 PM, KOSTIANTYN Kudriavtsev <
>>> kudryavtsev.konstantin@gmail.com> wrote:
>>>
>>>> Hi guys,
>>>>
>>>> I'm running FLink on EMR with 2 m3.xlarge (each 16 GB RAM) and trying
>>>> to process 3.8 GB CSV data from S3. I'm surprised the fact that Flink
>>>> failed with OutOfMemory: Java Heap space
>>>>
>>>> I tried to find the reason:
>>>> 1) to identify TaskManager with a command ps aux | grep TaskManager
>>>> 2) then build Heap histo:
>>>> $ jmap -histo:live 19648 | head -n23
>>>>  num     #instances         #bytes  class name
>>>> ----------------------------------------------
>>>>    1:        131018     3763501304  [B
>>>>    2:         61022        7820352  <methodKlass>
>>>>    3:         61022        7688456  <constMethodKlass>
>>>>    4:          4971        5454408  <constantPoolKlass>
>>>>    5:          4966        4582232  <instanceKlassKlass>
>>>>    6:          4169        3003104  <constantPoolCacheKlass>
>>>>    7:         15696        1447168  [C
>>>>    8:          1291         638824  [Ljava.lang.Object;
>>>>    9:          5318         506000  java.lang.Class
>>>>
>>>>
>>>> Do you have any ideas what can be the reason and how it can be fixed?
>>>> Is Flink uses out-of-heap memory?
>>>>
>>>>
>>>> Thank you,
>>>> Konstantin Kudryavtsev
>>>>
>>>
>>>
>

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