Github user hanm commented on the issue:
https://github.com/apache/zookeeper/pull/292
Thanks for review, @shralex @asdf2014 . Code updated.
I also refactored a couple of reconfig tests to consolidate the setting of
the feature flag, which makes the test both easier to read and also fix
potential race conditions I found out while working on this patch: because the
flag was set in a different thread while the peers are running, it is possible
the peer thread still cache old value. Such case would not happen for real use
case (aside from artificial tests we created here) because the feature flag
will not change after ensemble is started.
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