GitHub user wangyum opened a pull request:
https://github.com/apache/spark/pull/20080
[SPARK-22870][CORE] Dynamic allocation should allow 0 idle time
## What changes were proposed in this pull request?
This pr to make `0` as a valid value for
`spark.dynamicAllocation.executorIdleTimeout`.
For details, see the jira description:
https://issues.apache.org/jira/browse/SPARK-22870.
## How was this patch tested?
N/A
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/wangyum/spark SPARK-22870
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/20080.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 #20080
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commit 1dcec41a3c1e2c001b0f9fed92aa6f03b6c47f3a
Author: Yuming Wang <wgyumg@...>
Date: 2017-12-26T01:58:49Z
Dynamic allocation should allow 0 idle time
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