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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-5193) For long running services, aggregate logs when a container completes instead of when the app completes
Date Fri, 29 Sep 2017 20:56:11 GMT

     [ https://issues.apache.org/jira/browse/YARN-5193?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arun Suresh updated YARN-5193:
------------------------------
    Target Version/s: 3.1.0  (was: 2.9.0)

> 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
>
> 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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