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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5001) Aggregated Logs root directory is created with wrong group if nonexistent
Date Tue, 01 Nov 2016 20:22:58 GMT

    [ https://issues.apache.org/jira/browse/YARN-5001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15626571#comment-15626571
] 

Jason Lowe commented on YARN-5001:
----------------------------------

+1 lgtm.  Committing this.

> Aggregated Logs root directory is created with wrong group if nonexistent 
> --------------------------------------------------------------------------
>
>                 Key: YARN-5001
>                 URL: https://issues.apache.org/jira/browse/YARN-5001
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: log-aggregation, nodemanager, security
>    Affects Versions: 2.7.0
>            Reporter: Haibo Chen
>            Assignee: Haibo Chen
>              Labels: oct16-easy
>         Attachments: yarn5001.001.patch, yarn5001.002.patch, yarn5001.003.patch
>
>
> The directory /tmp/logs, where the aggregated logs go, is supposed to be read by JHS.
But if it is not created beforehand, it will be created by NodeManager with the group being
the superuser set in HDFS.  Files created under this directory will then inherit the supergroup
as their groups. This leads to JHS to fail to read the container logs files under that directory
if JHS is not running as a user that belongs to superuser.



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