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From "Ari Rabkin (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5316) Unable to detect running process from pid file
Date Thu, 26 Feb 2009 00:21:01 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5316?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12676823#action_12676823

Ari Rabkin commented on HADOOP-5316:

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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