GitHub user mjsax opened a pull request:
https://github.com/apache/kafka/pull/3134
Kafka-5315: should not subtract for empty key is KTable.aggregate/reduce
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mjsax/kafka
kafka-5315-fix-at-least-once-violation
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/3134.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 #3134
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commit e7d26bc45c284c71b8930bc4baba11ee64e9c08f
Author: Matthias J. Sax <[email protected]>
Date: 2017-05-24T07:59:07Z
Kafka-5315: should not subtract for empty key is KTable.aggregate/reduce
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