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https://issues.apache.org/jira/browse/YARN-4190?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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zhihai xu resolved YARN-4190.
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Resolution: Later
> 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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