Attila Bukor updated KUDU-2287:
    Status: In Review  (was: In Progress)

> Add replica metric tracking time since there was a valid leader
> ---------------------------------------------------------------
>                 Key: KUDU-2287
>                 URL: https://issues.apache.org/jira/browse/KUDU-2287
>             Project: Kudu
>          Issue Type: New Feature
>          Components: ksck, metrics, supportability
>    Affects Versions: 1.7.0
>            Reporter: Todd Lipcon
>            Assignee: Attila Bukor
>            Priority: Major
> Currently monitoring systems can report that the Kudu cluster is perfectly 
> healthy when in fact some tablet has gotten "stuck" with no leader (eg due to 
> some network connectivity problem or a bug). If we exposed a numeric metric 
> on a tablet indicating the time since a replica was healthy, or number of 
> failed election attempts, etc, we could easily monitor for this case.

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