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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CHUKWA-446) Refactor tools/init.d scripts
Date Tue, 12 Jan 2010 19:01:54 GMT

    [ https://issues.apache.org/jira/browse/CHUKWA-446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12799324#action_12799324
] 

Eric Yang commented on CHUKWA-446:
----------------------------------

The scripts were built to run in a specific environment to make it easy for a black magic
grown system.  My recommendation is completely remove those scripts and use start-*.sh stop-*.sh.

*chukwa-system-metrics, this should be replaced with exec adaptor and configure through initial_adaptors.template.
* chukwa-agent - rename to start-agent.sh and stop-agent.sh.
* chukwa-collector - rename to start-collector.sh and stop-collector.sh
* chukwa-data-processors - use start-data-processors.sh and stop-data-processor.sh


> Refactor tools/init.d scripts
> -----------------------------
>
>                 Key: CHUKWA-446
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-446
>             Project: Hadoop Chukwa
>          Issue Type: Improvement
>            Reporter: Bill Graham
>
> 1. The scripts try to write lock files to /var/lock/subsys, which is owned by root. We
should change this location to be somewhere that doesn't require root access.
> 2. The actual run command does an su to the CHUKWA_USER which also caused problems for
us. It seems like it would be cleaner to not embed the su calls in the script, but instead
allow the user to su when they run the script (which worked much better for us). That way
everything done by the script would be done by the same user.
> 3. Each script has CHUKWA_HOME, CHUKWA_CONF_DIR and CHUKWA_USER hard coded. Hard coded
defaults is ok, but the ability to override them without modifying the scripts would be ideal.

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