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Posted to mapreduce-issues@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2015/05/06 05:39:44 UTC

[jira] [Updated] (MAPREDUCE-6111) Hadoop users' staging directories should be under a user folder

     [ https://issues.apache.org/jira/browse/MAPREDUCE-6111?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer updated MAPREDUCE-6111:
----------------------------------------
    Labels: BB2015-05-TBR  (was: )

> Hadoop users' staging directories should be under a user folder
> ---------------------------------------------------------------
>
>                 Key: MAPREDUCE-6111
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6111
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 2.5.0, 2.4.1
>            Reporter: Jian Fang
>              Labels: BB2015-05-TBR
>         Attachments: MAPREDUCE-6111.2.patch
>
>
> Right now, Hadoop puts all users' staging directories under /tmp/hadoop-yarn/staging/, for example /tmp/hadoop-yarn/staging/hadoop for user hadoop, but the directory /tmp/hadoop-yarn/staging is also used for other purpose. For example, /tmp/hadoop-yarn/staging/history/ is used to hold finished JHS files. The shared parent /tmp/hadoop-yarn/staging makes it difficult to track all users' folders without adding extra logic to exclude other known folders. 
> As a result, we should move all users' folders to a user sub-folder, i.e., /tmp/hadoop-yarn/staging/user/. In this case, user hadoop's staging folder becomes /tmp/hadoop-yarn/staging/user/hadoop/.staging.



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