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From Panagiotis Liakos <p.lia...@di.uoa.gr>
Subject Re: OutOfMemoryError: Java heap space during Large graph running
Date Sat, 05 Nov 2016 06:46:07 GMT
Hi all,

This property in hadoop/conf/mapred-site.xml works for me:

<property>
<name>mapred.map.child.java.opts</name>
<value>-Xmx10g</value>
</property>

Regards,
Panagiotis

2016-11-04 23:11 GMT+02:00 Xenia Demetriou <xeniad20@gmail.com>:
> Hi,
> I have the same problem and I add the following  in
> mapred-site.xml and hadoop-env.sh but I still have the same problem.
> I try various values below but nothhing increase the memory.
>
> mapred-site.xml:
> <property>
>     <name>mapred.child.java.opts</name>
>     <value>-Xms256m </value>
>     <value>-Xmx4096m</value>
> </property>
>
> hadoop-env.sh:
> export HADOOP_HEAPSIZE=3072
> export HADOOP_OPTS="-Xmx4096m"
>
>

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