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https://issues.apache.org/jira/browse/YARN-5193?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xuan Gong resolved YARN-5193.
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Resolution: Won't Fix
> For long running services, aggregate logs when a container completes instead
> of when the app completes
> ------------------------------------------------------------------------------------------------------
>
> Key: YARN-5193
> URL: https://issues.apache.org/jira/browse/YARN-5193
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Siddharth Seth
> Priority: Major
>
> For a long running service, containers will typically not complete very
> often. However, when a container completes - it would be useful to aggregate
> the logs right then, instead of waiting for the app to complete.
> This will allow the command line log tool to lookup containers for an app
> from the log file index itself, instead of having to go and talk to YARN.
> Talking to YARN really only works if ATS is enabled, and YARN is configured
> to publish container information to ATS (That may not always be the case -
> since this can overload ATS quite fast).
> There's some added benefits like cleaning out local disk space early, instead
> of waiting till the app completes. (There's probably a separate jira
> somewhere about cleanup of container for long running services anyway)
> cc [~vinodkv], [~xgong]
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