GitHub user frreiss opened a pull request:
https://github.com/apache/spark/pull/15067
[SPARK-17513] [STREAMING] [SQL] Make StreamExecution garbage-collect its
metadata
## What changes were proposed in this pull request?
This PR modifies StreamExecution such that it discards metadata for batches
that have already been fully processed. I used the `purge` method that was
added as part of SPARK-17235.
## How was this patch tested?
I added a test case to verify that old metadata log files are correctly
purged.
I also ran the entire regression suite.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/frreiss/spark-fred fred-16963a
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15067.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 #15067
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commit 8cc5e835b209d5796b044978ec4221ee22a8b9d2
Author: frreiss <[email protected]>
Date: 2016-09-08T19:59:15Z
Added purge() call to scheduler
commit d71366d958334ebbc81e45c7f469bad2a68d0a2d
Author: frreiss <[email protected]>
Date: 2016-09-10T04:23:58Z
Added test case and corrected off-by-one error.
commit 82f5b681c2e8e52f8549b21c7d058c497f2fc809
Author: frreiss <[email protected]>
Date: 2016-09-10T04:24:35Z
Merge branch 'master' of https://github.com/apache/spark into fred-16963a
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