GitHub user tdas opened a pull request:
https://github.com/apache/spark/pull/5008
[SPARK-6222][Streaming] Dont delete checkpoint data when doing
pre-batch-start checkpoint
This is another alternative approach to
https://github.com/apache/spark/pull/4964/
I think this is a simpler fix that can be backported easily to other
branches (1.2 and 1.3).
All it does it introduce a flag so that the pre-batch-start checkpoint does
not call clear checkpoint.
There is not unit test yet. I will add it when this approach is commented
upon. Not sure if this is testable easily.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tdas/spark SPARK-6222
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/5008.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 #5008
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commit 295ca5c0f13ffd29386dd5939adad58044cf04d5
Author: Tathagata Das <[email protected]>
Date: 2015-03-13T05:03:01Z
Fixing SPARK-6222
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