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From Prashant Sharma <scrapco...@gmail.com>
Subject Re: Apache spark on 27gb wikipedia data
Date Mon, 05 May 2014 08:51:44 GMT
I just thought may be we could put a warning whenever that error comes user
can tune either memoryFraction or executor memory options. And this warning
get's displayed when TaskSetManager receives task failures due to  OOM.

Prashant Sharma


On Mon, May 5, 2014 at 2:10 PM, Ajay Nair <prodigyaj@gmail.com> wrote:

> Hi,
>
> I am using 1 master and 3 slave workers for processing 27gb of Wikipedia
> data that is tab separated and every line contains wikipedia page
> information. The tab separated data has title of the page and the page
> contents. I am using the regular expression to extract links as mentioned
> in
> the site below:
>
> http://ampcamp.berkeley.edu/big-data-mini-course/graph-analytics-with-graphx.html#running-pagerank-on-wikipedia
>
> Although it runs fne for around 300Mb data set, it runs in to issues when I
> try to execute the same code using the 27gb data from hdfs.
> The error thrown is given below:
> 14/05/05 07:15:22 WARN scheduler.TaskSetManager: Loss was due to
> java.lang.OutOfMemoryError
> java.lang.OutOfMemoryError: GC overhead limit exceeded
>         at java.util.regex.Matcher.<init>(Matcher.java:224)
>
> Is there any way to over come this issue?
>
> My cluster is a ec2 m3.large machine.
>
> Thanks
> Ajay
>
>
>
> --
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> Sent from the Apache Spark Developers List mailing list archive at
> Nabble.com.
>

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