Github user asdf2014 commented on the issue:
https://github.com/apache/zookeeper/pull/262
Hi, @breed . Thanks for your comment. You are right, we should keep the
enough epoch value to avoid meet the epoch overflow. So i offer a better
solution is 24-bit epoch in second comment. Even if the frequency of leader
election is once by every single minutes, we will not experience the epoch
overflow until **1915.2** years later.
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