Github user eolivelli commented on the issue:
https://github.com/apache/zookeeper/pull/669
@ivmaykov I answered to all of your comments.
I expect this to be the very first step.
Coming with Netty 4 it is more easier to reduce memory allocations,
expecially on the hot paths. I expect in the future that we will introduce a
lot of tricks and techniques to leverage all the potential of Netty---
