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From "Robert Kanter (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-6550) archive-logs tool changes log ownership to the Yarn user when using DefaultContainerExecutor
Date Fri, 20 Nov 2015 23:22:11 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-6550?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Kanter updated MAPREDUCE-6550:
-------------------------------------
    Attachment: MAPREDUCE-6550.003.patch

That's also a good idea, and should be more efficient too.

The 003 patch sets the umask for the 'hadoop archive' MR job to 027 so we get 640 files and
750 dirs.

> archive-logs tool changes log ownership to the Yarn user when using DefaultContainerExecutor
> --------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6550
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6550
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 2.8.0
>            Reporter: Robert Kanter
>            Assignee: Robert Kanter
>         Attachments: MAPREDUCE-6550.001.patch, MAPREDUCE-6550.002.patch, MAPREDUCE-6550.003.patch
>
>
> The archive-logs tool added in MAPREDUCE-6415 leverages the Distributed Shell app.  When
using the DefaultContainerExecutor, this means that the job will actually run as the Yarn
user, so the resulting har files are owned by the Yarn user instead of the original owner.
The permissions are also now world-readable.
> In the below example, the archived logs are owned by 'yarn' instead of 'paul' and are
now world-readable:
> {noformat}
> [root@gs28-centos66-5 ~]# sudo -u hdfs hdfs dfs -ls -R /tmp/logs
> ...
> drwxrwx---   - paul  hadoop          0 2015-10-02 13:24 /tmp/logs/paul/logs/application_1443805425363_0005
> drwxr-xr-x   - yarn  hadoop          0 2015-10-02 13:24 /tmp/logs/paul/logs/application_1443805425363_0005/application_1443805425363_0005.har
> -rw-r--r--   3 yarn  hadoop          0 2015-10-02 13:24 /tmp/logs/paul/logs/application_1443805425363_0005/application_1443805425363_0005.har/_SUCCESS
> -rw-r--r--   3 yarn  hadoop       1256 2015-10-02 13:24 /tmp/logs/paul/logs/application_1443805425363_0005/application_1443805425363_0005.har/_index
> -rw-r--r--   3 yarn  hadoop         24 2015-10-02 13:24 /tmp/logs/paul/logs/application_1443805425363_0005/application_1443805425363_0005.har/_masterindex
> -rw-r--r--   3 yarn  hadoop    8451177 2015-10-02 13:24 /tmp/logs/paul/logs/application_1443805425363_0005/application_1443805425363_0005.har/part-0
> drwxrwx---   - paul  hadoop          0 2015-10-02 13:24 /tmp/logs/paul/logs/application_1443805425363_0006
> -rw-r-----   3 paul  hadoop       1155 2015-10-02 13:24 /tmp/logs/paul/logs/application_1443805425363_0006/gs-centos66-2.vpc.cloudera.com_8041
> -rw-r-----   3 paul  hadoop       4880 2015-10-02 13:24 /tmp/logs/paul/logs/application_1443805425363_0006/gs28-centos66-3.vpc.cloudera.com_8041
> ...
> {noformat}



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