GitHub user tillrohrmann opened a pull request:
https://github.com/apache/flink/pull/3226
[FLINK-5667] [state] Synchronize asynchronous checkpointing and close
operation
This PR synchronizes asynchronous checkpointing and close operations of a
StreamTask.
The synchronization prevents that an acknowledged checkpoint gets discarded
and that
a discarded checkpoint gets acknowledged. It achieves this by introducing
an atomic
state variable which guards against late close and acknowledge operations.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tillrohrmann/flink asyncCheckpointingFix
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/3226.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 #3226
----
commit 16ce24f6d062ade2f3bb3d41059ced71b7040c52
Author: Till Rohrmann <[email protected]>
Date: 2017-01-27T15:26:22Z
[FLINK-5667] [state] Synchronize asynchronous checkpointing and close
operation
This PR synchronizes asynchronous checkpointing and close operations of a
StreamTask.
The synchronization prevents that an acknowledged checkpoint gets discarded
and that
a discarded checkpoint gets acknowledged. It achieves this by introducing
an atomic
state variable which guards against late close and acknowledge operations.
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