Github user asfgit closed the pull request at:
https://github.com/apache/flink/pull/3214
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GitHub user zentol opened a pull request:
https://github.com/apache/flink/pull/3214
[FLINK-5644] Remove metric: Task#lastCheckpointSize
This PR removes the lastCheckpointSize metric that was broken when the
key-groups were introduced. I couldn't find an easy way to fix it instead.
