GitHub user wangyum opened a pull request:
https://github.com/apache/spark/pull/16819
[SPARK-16441][YARN] Set maxNumExecutor depends on yarn cluster resources.
## What changes were proposed in this pull request?
Dynamic set `spark.dynamicAllocation.maxExecutors` by cluster resources.
## How was this patch tested?
manual test
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/wangyum/spark SPARK-16441
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16819.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 #16819
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commit 97e5eee6aaf2335a2af62e816b767d408c37a59e
Author: Yuming Wang <wgy...@gmail.com>
Date: 2017-02-06T08:57:12Z
Set maxNumExecutor depends on yarn cluster VCores Total.
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