Github user rmetzger commented on the pull request:
https://github.com/apache/flink/pull/1213#issuecomment-145404233
I've looked a bit over the code and it all looks like good changes.
I've tested the code on a Hadoop 2.6.0 cluster and the YARN session was
restarting properly. But I think that's not the expected behavior.
We actually want the TMs to stay alive and reconnect to the new AM.
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