[jira] [Updated] (YARN-6208) Improve the log when FinishAppEvent sent to the NodeManager which didn't run the application

["Akira Ajisaka (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-6208?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Akira Ajisaka updated YARN-6208:
--------------------------------
    Labels: newbie supportability  (was: newbie)

> Improve the log when FinishAppEvent sent to the NodeManager which didn't run the application
> --------------------------------------------------------------------------------------------
>
>                 Key: YARN-6208
>                 URL: https://issues.apache.org/jira/browse/YARN-6208
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Akira Ajisaka
>            Priority: Minor
>              Labels: newbie, supportability
>
> When FinishAppEvent of an application is sent to a NodeManager and there are no applications of the application ran on the NodeManager, we can see the following log:
> {code}
> 2015-12-28 11:59:18,725 WARN org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl: Event EventType: FINISH_APPLICATION sent to absent application application_1446103803043_9892
> {code}
> YARN-4520 made the log as follows:
> {code}
>           LOG.warn("couldn't find application " + appID + " while processing"
>               + " FINISH_APPS event");
> {code}
> and I'm thinking it can be improved.
> * Make the log WARN from INFO
> * Add why the NodeManager couldn't find the application. For example, "because there were no containers of the application ran on the NodeManager."



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