GitHub user tdas opened a pull request:
https://github.com/apache/spark/pull/15859
Fixed state store bug
## What changes were proposed in this pull request?
StateStore.get() causes temporary files to be created immediately, even if
the store is not used to make updates for new version. The temp file is not
closed as store.commit() is not called in those cases, thus keeping the output
stream to temp file open forever.
This PR fixes it by opening the temp file only when there are updates being
made.
## How was this patch tested?
New unit test
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tdas/spark SPARK-18416
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15859.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 #15859
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commit a9d8edf6224c25fe9b4d016cfc85d0f1d7dcfa08
Author: Tathagata Das <tathagata.das1...@gmail.com>
Date: 2016-11-12T01:00:15Z
Fixed state store bug
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