[jira] [Commented] (BEAM-627) Set Spark master only if not set.

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BEAM-627?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15483440#comment-15483440 ] 

ASF GitHub Bot commented on BEAM-627:
-------------------------------------

GitHub user amitsela opened a pull request:

    https://github.com/apache/incubator-beam/pull/944

    [BEAM-627] Set master if not already set.

    Be sure to do all of the following to help us incorporate your contribution
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    ---
    


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/amitsela/incubator-beam BEAM-627

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/incubator-beam/pull/944.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #944
    
----
commit c9610623e41f2352182bb8a359244df226902079
Author: Sela <an...@paypal.com>
Date:   2016-09-12T08:00:34Z

    Set master if not already set.

----


> Set Spark master only if not set.
> ---------------------------------
>
>                 Key: BEAM-627
>                 URL: https://issues.apache.org/jira/browse/BEAM-627
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-spark
>            Reporter: Amit Sela
>            Assignee: Amit Sela
>
> Currently, the Spark master is *always* set programatically. 
> This is an issue if the master was already set by passing a system property (which is what spark-submit basically does).
> Avoiding overrides allows for an application to define a "local" master, while overriding it with an external resource manager.



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