Github user sachingoel0101 commented on the pull request: https://github.com/apache/flink/pull/967#issuecomment-138416633 @nltran , I went through you code and if I understand correctly, the slack-related synchronization is done by the Runtime itself using events. I like that idea more than mine which involved synchronization by the Parameter Server itself which is, well, sort of messy. Could you rebase this to the current master?
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