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https://issues.apache.org/jira/browse/HADOOP-5316?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12676823#action_12676823
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Ari Rabkin commented on HADOOP-5316:
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I would actually prefer to get chukwa out of the PIDFile business entirely.
This ought to be the responsibility of some service manager, not of Chukwa.
> Unable to detect running process from pid file
> ----------------------------------------------
>
> Key: HADOOP-5316
> URL: https://issues.apache.org/jira/browse/HADOOP-5316
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/chukwa
> Environment: Redhat EL 5.1, Java 6
> Reporter: Eric Yang
> Assignee: Eric Yang
> Priority: Trivial
>
> Linux ps command output produces white space in front of the pid number, if
> the pid is lesser than 5 digits number. The current shell script does not
> parse this correctly for watchdog. In addition, CHUKWA_PID_DIR needs to be
> better supported by chukwa's shell script. In some of the shell scripts, the
> reference to pid file is in CHUKWA_HOME/var/run, and this should be changed
> to CHUKWA_PID_DIR.
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