GitHub user tony810430 opened a pull request:
https://github.com/apache/flink/pull/3374
[FLINK-4754] [checkpoints] Make number of retained checkpoints user
configurable
I add `CheckpointConfig.setMaxNumberOfCheckpointsToRetain` to expose user
the configuration for number of retained checkpoints, and update the
constructor of `JobSnapshottingSettings` to pass the value to
`CheckpointRecoveryFactory`.
However, I didn't make this value lazily in the checkpoint store
implementations.
It is useful to make it lazily if there is a need to reconfigure it during
job is running, but I think that should be another issue.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tony810430/flink FLINK-4754
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/3374.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 #3374
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commit d475017c29d9c8b91f740227b439d9fa7da152b3
Author: Tony Wei <[email protected]>
Date: 2017-02-20T10:30:24Z
[FLINK-4754] Make number of retained checkpoints user configurable
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