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
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