Saturday, 30 April 2016

If mapreduce jobs are not possible to run, issue with yarn because of less ram

If mapreduce jobs are not possible to run, issue with yarn because of less ram . 

update "yarn-site.xml" with below properties and restart "yarn"

<property>
<name>yarn.scheduler.minimum-allocation-mb</name>
<value>512</value>
</property>
<property>
<name>yarn.scheduler.maximum-allocation-mb</name>
<value>2048</value>
</property>
<property>
<name>yarn.nodemanager.resource.memory-mb</name>
<value>20480</value>
</property>

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