GitHub user njwhite opened a pull request:
https://github.com/apache/spark/pull/12951
[SPARK-15176][Core] Add maxShares setting to Pools
## What changes were proposed in this pull request?
Help guarantee resource availablity by (hierarchically) limiting the amount
of tasks a given pool can run. The maximum number of tasks for a given pool can
be configured by the allocation XML file, and child pools are limited to at
most the number of tasks of their parent.
## How was this patch tested?
Unit tests run and new unit tests added for functionality.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/njwhite/spark feature/pool
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/12951.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 #12951
----
commit 1b046be04d18e19be33078e2b9f5e26ac8e6aa67
Author: Nick White <nwh...@palantir.com>
Date: 2016-05-06T09:42:18Z
[SPARK-15176][Core] Add maxShares setting to Pools
Help guarantee resource availablity by (hierarchically) limiting the amount
of
tasks a given pool can run.
----
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