Github user asfgit closed the pull request at:
https://github.com/apache/flink/pull/2649
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GitHub user mxm opened a pull request:
https://github.com/apache/flink/pull/2649
[FLINK-4829] snapshot accumulators on a best-effort basis
Heartbeats should not fail when accumulators could not be snapshotted.
Instead, we should simply skip the reporting of the failed accumulator.
