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Posted to yarn-issues@hadoop.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2013/10/25 20:09:33 UTC

[jira] [Commented] (YARN-1355) Recover application ACLs upon nodemanager restart

    [ https://issues.apache.org/jira/browse/YARN-1355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13805537#comment-13805537 ] 

Jason Lowe commented on YARN-1355:
----------------------------------

One idea is to persist the ACLs for an application underneath the application directory in the log directory tree.  That has the benefit of  automatically removing the persisted ACL data when an application's logs are removed (and thus ACLs are no longer needed).  Restoring of application ACLs potentially could be lazily performed as well if it isn't cached in memory.

> Recover application ACLs upon nodemanager restart
> -------------------------------------------------
>
>                 Key: YARN-1355
>                 URL: https://issues.apache.org/jira/browse/YARN-1355
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>    Affects Versions: 2.3.0
>            Reporter: Jason Lowe
>
> The ACLs for applications need to be recovered for work-preserving nodemanager restart.



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