Swathi V created WHIRR-710:
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Summary: Whirr launch for CDH4 MRv1 using deprecated
mapred.child.java.opts property
Key: WHIRR-710
URL: https://issues.apache.org/jira/browse/WHIRR-710
Project: Whirr
Issue Type: Bug
Components: service/hadoop
Affects Versions: 0.8.1
Environment: Ubuntu (EC2)
Reporter: Swathi V
Launching the cluster with the following properties, will install CDH4.2.0 MRv1
in all the nodes.
whirr.hadoop.install-function=install_cdh_hadoop
whirr.hadoop.configure-function=configure_cdh_hadoop
whirr.env.REPO=cdh4
However, after the launch of the cluster, the deprecated property,
mapred.child.java.opts is set with default value as below,in mapred-site.xml
<property>
<name>mapred.child.java.opts</name>
<value>-Xmx550m</value>
</property>
To be used as :
mapred.(map|reduce).child.java.opts ie. mapred.map.child.java.opts and
mapred.reduce.child.java.opts
To reproduce the error:
Running the map task or reduce task, more than the default heap size, creates
OOME
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