GitHub user BryanCutler opened a pull request:
https://github.com/apache/spark/pull/15028
[SPARK-17336][PYSPARK] Fix appending multiple times to PYTHONPATH from
spark-config.sh
## What changes were proposed in this pull request?
During startup of Spark standalone, the script file spark-config.sh appends
to the PYTHONPATH and can be sourced many times, causing duplicates in the
path. This change adds a env flag that is set once the PYTHONPATH is appended
so it will happen once.
## How was this patch tested?
Manually started standalone master/worker and verified PYTHONPATH has no
duplicate entries.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/BryanCutler/spark
fix-duplicate-pythonpath-SPARK-17336
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15028.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 #15028
----
commit 180a17f2ba0ac35ec7794d1dd681ec6396da803d
Author: Bryan Cutler <[email protected]>
Date: 2016-09-09T17:32:43Z
fix appending multiple times to PYTHONPATH when spark-config is sourced
more than once
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