GitHub user zhengruifeng opened a pull request:
https://github.com/apache/spark/pull/16718
[SPARK-19384][ML] forget unpersist input dataset in IsotonicRegression
## What changes were proposed in this pull request?
unpersist the input dataset if `handlePersistence` = true
## How was this patch tested?
existing tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zhengruifeng/spark isoReg_unpersisit
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16718.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 #16718
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commit 5d2987b450f75e563f14b3dacd15a61614a6ee1a
Author: Zheng RuiFeng <[email protected]>
Date: 2017-01-27T11:34:17Z
create pr
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