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From "zhihai xu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-4190) missing container information in FairScheduler preemption log.
Date Sat, 19 Sep 2015 00:44:04 GMT

     [ https://issues.apache.org/jira/browse/YARN-4190?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

zhihai xu updated YARN-4190:
----------------------------
    Summary: missing container information in FairScheduler preemption log.  (was: Add container
information in FairScheduler preemption log to help debug.)

> missing container information in FairScheduler preemption log.
> --------------------------------------------------------------
>
>                 Key: YARN-4190
>                 URL: https://issues.apache.org/jira/browse/YARN-4190
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: fairscheduler
>    Affects Versions: 2.7.1
>            Reporter: zhihai xu
>            Assignee: zhihai xu
>            Priority: Trivial
>
> Add container information in FairScheduler preemption log to help debug. Currently the
following log doesn't have container information
> {code}
> LOG.info("Preempting container (prio=" + container.getContainer().getPriority() +
>         "res=" + container.getContainer().getResource() +
>         ") from queue " + queue.getName());
> {code}
> So it will be very difficult to debug preemption related issue for FairScheduler.
> Even the container information is printed in the following code
> {code}
>         LOG.info("Killing container" + container +
>             " (after waiting for premption for " +
>             (getClock().getTime() - time) + "ms)");
> {code}
> But we can't match these two logs based on the container ID.
> It will be very useful to add container information in the first log.



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