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From "Sun Rui (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-882) Specify per user quota for private/application cache and user log files
Date Wed, 25 Oct 2017 16:11:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-882?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16218966#comment-16218966
] 

Sun Rui commented on YARN-882:
------------------------------

+1 for this feature

> Specify per user quota for private/application cache and user log files
> -----------------------------------------------------------------------
>
>                 Key: YARN-882
>                 URL: https://issues.apache.org/jira/browse/YARN-882
>             Project: Hadoop YARN
>          Issue Type: New Feature
>            Reporter: Omkar Vinit Joshi
>            Assignee: Omkar Vinit Joshi
>
> At present there is no limit on the number of files / size of the files localized by
single user. Similarly there is no limit on the size of the log files created by user via
running containers.
> We need to restrict the user for this.
> For LocalizedResources; this has serious concerns in case of secured environment where
malicious user can start one container and localize resources whose total size >= DEFAULT_NM_LOCALIZER_CACHE_TARGET_SIZE_MB.
Thereafter it will either fail (if no extra space is present on disk) or deletion service
will keep removing localized files for other containers/applications. 
> The limit for logs/localized resources should be decided by RM and sent to NM via secured
containerToken. All these configurations should per container instead of per user or per nm.



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