[jira] [Assigned] (KUDU-1407) Leader should not evict a follower when the follower is in the process of starting up a tablet

["Dinesh Bhat (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KUDU-1407?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dinesh Bhat reassigned KUDU-1407:
---------------------------------

    Assignee: Dinesh Bhat

> Leader should not evict a follower when the follower is in the process of starting up a tablet
> ----------------------------------------------------------------------------------------------
>
>                 Key: KUDU-1407
>                 URL: https://issues.apache.org/jira/browse/KUDU-1407
>             Project: Kudu
>          Issue Type: Bug
>          Components: consensus
>    Affects Versions: 0.8.0
>            Reporter: Todd Lipcon
>            Assignee: Dinesh Bhat
>            Priority: Critical
>
> It seems like, if the leader gets an error from one of its followers because the tablet is not running, it considers this replica to be 'unresponsive'. If this happens for 5 minutes, it will evict that follower to try to create a new replica.
> This can cause problems at cluster startup time when there is a lot of data and a cold disk cache - the startup bootstrap process might be more than five minutes and leaders might end up evicting followers that are perfectly healthy (just in the process of coming up).



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