GitHub user tdas opened a pull request:
https://github.com/apache/spark/pull/9805
[SPARK-11814][Streaming]Add better default checkpoint duration
DStream checkpoint interval is by default set at max(10 second, batch
interval). That's bad for large batch intervals where the checkpoint interval =
batch interval, and RDDs get checkpointed every batch.
This PR is to set the checkpoint interval of trackStateByKey to 10 * batch
duration.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tdas/spark SPARK-11814
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/9805.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 #9805
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