GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/18536
[SPARK-20946][SQL] Do not update conf for existing SparkContext in
SparkSession.getOrCreate
## What changes were proposed in this pull request?
SparkContext is shared by all sessions, we should not update its conf for
only one session.
## How was this patch tested?
existing tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark config
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/18536.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 #18536
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commit fd928e426399eabd62791f372711d1a8cc4f2407
Author: Wenchen Fan <[email protected]>
Date: 2017-07-05T07:26:34Z
simplify the config setting logic in SparkSession.getOrCreate
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