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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (ZOOKEEPER-3448) Introduce MessageTracker to assist debug leader and leaner connectivity issues
Date Fri, 28 Jun 2019 22:23:00 GMT

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-3448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

ASF GitHub Bot updated ZOOKEEPER-3448:
--------------------------------------
    Labels: Twitter pull-request-available  (was: Twitter)

> 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
>            Priority: Major
>              Labels: Twitter, pull-request-available
>
> 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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