GitHub user shahidki31 opened a pull request:
https://github.com/apache/spark/pull/23016
[SPARK-26006][mllib] unpersist 'dataInternalRepr' in the PrefixSpan
## What changes were proposed in this pull request?
Mllib's Prefixspan - run method - cached RDD stays in cache. After run is
comlpeted , rdd remain in cache.
We need to unpersist the cached RDD after run method.
## How was this patch tested?
Existing tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/shahidki31/spark SPARK-26006
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/23016.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 #23016
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commit 2e3b0891b54dd12441d8c55230837bc182e11608
Author: Shahid <shahidki31@...>
Date: 2018-11-12T14:08:33Z
unpersist 'dataInternalRepr' after run method
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