Ravindra Sandaruwan Ranaweera created YARN-6444:
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Summary: Java options being duplicated in YARN
Key: YARN-6444
URL: https://issues.apache.org/jira/browse/YARN-6444
Project: Hadoop YARN
Issue Type: Bug
Components: scripts, yarn
Affects Versions: 2.7.3
Environment: CentOS 6.5, Hadoop 2.7.3, java version "1.7.0_79"
Reporter: Ravindra Sandaruwan Ranaweera
Additional Java options added to "yarn-env.sh" such as
export YARN_NODEMANAGER_OPTS="$YARN_NODEMANAGER_OPTS -Duser.country=XX"
adds the same Java option two times to YARN process. Processes are started with
"service" command and environment variables of the process are checked with
"sed -e 's/\x0/\n/g' /proc/<PID>/environ".
This occurs because "yarn-env.sh" is executed two times from
"/usr/lib/hadoop-yarn/sbin/yarn-daemon.sh" and "/usr/lib/hadoop-yarn/bin/yarn"
when starting.
This is already fixed in Hadoop3.0.0-alpha1 but I think it is better to correct
this in Hadoop2.* too.
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