Github user StephanEwen commented on the pull request:
https://github.com/apache/flink/pull/888#issuecomment-125903682
Okay, it took me a while, but I actually walked through this and would like
to merge it soon.
To make this functionality configurable, I opened an issue to give runtime
operators access to the TaskManager config, so that we can define a switch to
turn this on and off.
I would actually turn it on by default, it seems to work well as far as I
have tried it.
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