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https://issues.apache.org/jira/browse/HBASE-22107?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Busbey updated HBASE-22107:
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Priority: Minor (was: Major)
Component/s: Operability
> make dead server metric work for HBase in a compute fabric (e.g. YARN) use
> case
> -------------------------------------------------------------------------------
>
> Key: HBASE-22107
> URL: https://issues.apache.org/jira/browse/HBASE-22107
> Project: HBase
> Issue Type: Bug
> Components: Operability
> Reporter: Sergey Shelukhin
> Priority: Minor
>
> dead servers appear to only be cleaned up when a server comes up on the same
> host and port; however, if HBase is running on smth like YARN with many more
> hosts than RSes, RS may come up on a different server and the dead one will
> never be cleaned.
> The metric should be improved to account for that... it will potentially
> require configuring master with expected number of region servers, so that
> the metric could be output based on that.
> Dead server list should also be expired based on timestamp in such cases.
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