### Motivation There are several unit tests that are failing intermittently due to the fact that the MockBookKeeper (when backported from Bk into pulsar repo) instance is triggering the callback from multiple threads, thus resulting in out-of-order acks that will in turn causes messages to be resent and the tests validations to fail.
[ Full content available at: https://github.com/apache/pulsar/pull/2694 ] This message was relayed via gitbox.apache.org for [email protected]
