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https://issues.apache.org/jira/browse/HADOOP-5360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12679011#action_12679011
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Jerome Boulon commented on HADOOP-5360:
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Instead of having so many variables like LOG_DIR, PID_DIR and so on can you
define CHUKWA_DATA and get all the others variables defined relative to either
CHUKWA_HOME, CHUKWA_CONF or CHUKWA_DATA. That way Chukwa configuration will be
much simpler.
CHUKWA_HOME contains all binaries
CHUKWA_CONF contains all config files
CHUKWA_DATA. contains all Chukwa's output
ex :
- log files ${CHUKWA_DATA}/var/log
- pid files ${CHUKWA_DATA}/var/run
- etc
if CHUKWA_DATA or CHUKWA_CONF are undefined they should default back to
CHUKWA_HOME/data resp. CHUKWA_HOME/conf
> Move from cronjob based watchdog for Chukwa Agent and System metrics to
> daemon tools startup script
> ---------------------------------------------------------------------------------------------------
>
> Key: HADOOP-5360
> URL: https://issues.apache.org/jira/browse/HADOOP-5360
> Project: Hadoop Core
> Issue Type: Improvement
> Components: contrib/chukwa
> Environment: Redhat EL 5.1, Java 6
> Reporter: Eric Yang
> Assignee: Eric Yang
> Priority: Minor
> Attachments: HADOOP-5360.patch
>
>
> Instead of waiting one minute for cron job based watchdog to check the pid
> file and determine if the process is running. Netops request this to be
> changed to use deamon tools to improve the uptime of chukwa agent and system
> metrics.
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