GitHub user kl0u opened a pull request:
https://github.com/apache/flink/pull/3514
[FLINK-6007] Allow key removal from within the watermark callback.
When deleting a key from the InternalWatermarkCallbackService, the
deleted key is put into a separate set, and the actual deletion
happens after the iteration over all keys has finished. To avoid
checkpointing the deletion set, the actual cleanup also happens
upon checkpointing.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/kl0u/flink watermark-callback-fix
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/3514.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 #3514
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commit d3a1b6e72eb56db40638c0b0889f5277c4671b61
Author: kl0u <kklou...@gmail.com>
Date: 2017-03-08T19:18:18Z
[FLINK-6007] Allow key removal from within the watermark callback.
When deleting a key from the InternalWatermarkCallbackService, the
deleted key is put into a separate set, and the actual deletion
happens after the iteration over all keys has finished. To avoid
checkpointing the deletion set, the actual cleanup also happens
upon checkpointing.
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