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From "Michael Han (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ZOOKEEPER-3448) Introduce MessageTracker to assist debug leader and leaner connectivity issues
Date Fri, 28 Jun 2019 22:20:00 GMT
Michael Han created ZOOKEEPER-3448:
--------------------------------------

             Summary: Introduce MessageTracker to assist debug leader and leaner connectivity
issues
                 Key: ZOOKEEPER-3448
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3448
             Project: ZooKeeper
          Issue Type: Improvement
          Components: server
    Affects Versions: 3.6.0
            Reporter: Michael Han
            Assignee: Michael Han


We want to have better insight on the state of the world when learners lost connection with
leader, so we need capture more information when that happens. We capture more information
through MessageTracker which will record the last few sent and received messages at various
protocol stage, and these information will be dumped to log files for further analysis.



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