Github user mxm commented on the issue:
https://github.com/apache/flink/pull/2425
CC @uce to check out the network layer changes. This is a very sensitive
and performance critical part of Flink. We should be very sure nothing breaks
it with the changes.
@vijikarthi Please have a look at the null checks in the network code. I
would replace them with `checkNotNull` and never pass any null values in there.
It would be desirable that turned off security doesn't have any overhead with
the security support built in.
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