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From Charith Wickramarachchi <charith.dhanus...@gmail.com>
Subject Re: OOM Exception When running a job
Date Thu, 11 Dec 2014 19:05:30 GMT
I was able to fix this problem and it was due to a memeory configturation
issue of my system. For the benifit of others who may face the same issue.
This is what I did,

I was using giraph 1.1.0- SNAPSHOT on Hadoop 2.2.0. I used default memory
configurations.
I was able to fix this issue by following the detailed given in [1] and
updating my memory configurations.

[1]http://hortonworks.com/blog/how-to-plan-and-configure-yarn-in-hdp-2-0/

Thanks,
Charith


On Tue, Dec 9, 2014 at 10:14 PM, Charith Wickramarachchi <
charith.dhanushka@gmail.com> wrote:

> Hi,
>
> I m facing an OOM Exception when running a Giraph Job. Worker logs gives
> following exception
>
> 014-12-09 21:57:43,451 INFO [communication thread]
> org.apache.hadoop.mapred.Task: Communication exception:
> java.lang.OutOfMemoryError: Java heap space
>         at
> org.apache.hadoop.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:231)
>         at $Proxy6.ping(Unknown Source)
>         at org.apache.hadoop.mapred.Task$TaskReporter.run(Task.java:736)
>         at java.lang.Thread.run(Thread.java:722)
>
> I tried increase the heap size by passing  -ca
> mapred.child.java.opts="-Xmx1024m" to the Giraph application. But when I do
> that I am getting following error
>
> 2014-12-09 22:08:13,103 INFO [AsyncDispatcher event handler]
> org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl: Diagnostics
> report from attempt_1415143619219_0076_m_000006_0: Container
> [pid=13551,containerID=container_1415143619219_0076_01_000008] is running
> beyond virtual memory limits. Current usage: 223.3 MB of 1 GB physical
> memory used; 2.7 GB of 2.1 GB virtual memory used. Killing container.
> Dump of the process-tree for container_1415143619219_0076_01_000008 :
>         |- PID PPID PGRPID SESSID CMD_NAME USER_MODE_TIME(MILLIS)
> SYSTEM_TIME(MILLIS) VMEM_USAGE(BYTES) RSSMEM_USAGE(PAGES) FULL_CMD_LINE
>
> I am using Giraph 1.1.0-SNAPSHOT which was taken a week before the
> release.
>
> It will be great if some one could give me some tips to overcome this
> problem.
>
> Regards,
> Charith
>
>
>
> --
> Charith Dhanushka Wickramaarachchi
>
> Tel  +1 213 447 4253
> Blog  http://charith.wickramaarachchi.org/
> <http://charithwiki.blogspot.com/>
> Twitter  @charithwiki <https://twitter.com/charithwiki>
>
> This communication may contain privileged or other confidential information
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> sender does not accept liability for any errors or omissions
>



-- 
Charith Dhanushka Wickramaarachchi

Tel  +1 213 447 4253
Blog  http://charith.wickramaarachchi.org/
<http://charithwiki.blogspot.com/>
Twitter  @charithwiki <https://twitter.com/charithwiki>

This communication may contain privileged or other confidential information
and is intended exclusively for the addressee/s. If you are not the
intended recipient/s, or believe that you may have
received this communication in error, please reply to the sender indicating
that fact and delete the copy you received and in addition, you should not
print, copy, retransmit, disseminate, or otherwise use the information
contained in this communication. Internet communications cannot be
guaranteed to be timely, secure, error or virus-free. The sender does not
accept liability for any errors or omissions

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