GitHub user andreweduffy opened a pull request:
https://github.com/apache/spark/pull/14201
[SPARK-14702] Expose SparkLauncher's ProcessBuilder for user flexibility
## What changes were proposed in this pull request?
Adds a few public methods to `SparkLauncher` to allow configuring some
extra features of the `ProcessBuilder`, including the working directory, output
and error stream redirection.
## How was this patch tested?
Unit testing + simple Spark driver programs
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/andreweduffy/spark feature/launcher
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/14201.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 #14201
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commit 5a35963bc4661193d8c169c7f98fffe24b181124
Author: Andrew Duffy <adu...@palantir.com>
Date: 2016-07-14T11:57:15Z
Make environment of SparkLauncher launched process more configurable
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