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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-6909) LocalJobRunner fails when run on a node from multiple users
Date Fri, 30 Jun 2017 16:29:00 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-6909?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Jason Lowe updated MAPREDUCE-6909:
    Target Version/s: 2.9.0, 2.8.2  (was: 2.8.2)
              Status: Patch Available  (was: Open)

This patch should be applied to branch-2 and branch-2.8.  I'm assuming we're playing the "it's
a major release so we are allowed to break stuff" card for the 3.x releases, so this doesn't
need to go into trunk.

> LocalJobRunner fails when run on a node from multiple users
> -----------------------------------------------------------
>                 Key: MAPREDUCE-6909
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6909
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 2.8.1
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>            Priority: Blocker
>         Attachments: MAPREDUCE-6909-branch-2.001.patch
> MAPREDUCE-5762 removed mapreduce.jobtracker.staging.root.dir from mapred-default.xml
but the property is still being used by LocalJobRunner and the code default value does *not*
match the value that was removed from mapred-default.xml.  This broke the use case where multiple
users are running local mode jobs on the same node, since they now default to the same directory
in /tmp.

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