Github user asfgit closed the pull request at:
https://github.com/apache/kafka/pull/3732
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GitHub user guozhangwang opened a pull request:
https://github.com/apache/kafka/pull/3732
MINOR: doc changes for KIP-138
1. Core concepts (added the stream time definition), upgrade guide and
developer guide.
2. Related Java docs changes.
You can merge this pull request into a