Github user eolivelli commented on the issue:
https://github.com/apache/zookeeper/pull/582
@pravsingh thank you for taking a look.
We are going to design a zookeeper proprierary internal API mostly because
we want the project to be owner of its own internal instrumentation system.
It is more like defining a standard way to instrument zookeeper code.
See other comments in JIRA and on this PR.
We will surely provide some out of the box integration but we want
zookeeper to have as few as possible dependencies to maintain in the future
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