[jira] [Updated] (KUDU-2661) Add a tool to reconstruct master data from the tablet servers

["Grant Henke (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KUDU-2661?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Grant Henke updated KUDU-2661:
------------------------------
    Labels: supportability  (was: )

> Add a tool to reconstruct master data from the tablet servers
> -------------------------------------------------------------
>
>                 Key: KUDU-2661
>                 URL: https://issues.apache.org/jira/browse/KUDU-2661
>             Project: Kudu
>          Issue Type: Improvement
>    Affects Versions: 1.8.0
>            Reporter: William Berkeley
>            Assignee: William Berkeley
>            Priority: Major
>              Labels: supportability
>
> On rare occasions, a cluster might lose all its masters permanently, especially if there is only a single master. This would mean a total loss of the whole cluster unless the user is willing to use tools to dump the data from each tablet server, save it, and reprocess it back into a useful form again. However, in many cases, it's actually possible to reconstruct a workable master state from information on the tablet servers. A tool to do this could be a lifesaver.



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