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https://issues.apache.org/jira/browse/HIVE-29720?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhihua Deng updated HIVE-29720:
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Description: For the lease leader election, if a Metastore cannot
participate in the election within retries, it's still running with only a
message warned. This could be an issue if all Metastores have failed the
election or a restarted leader cannot join in the election anymore due to some
unknown exception. As a consequence no housekeeping tasks are running across
the warehouse, and the user cannot figure it out early until things become
wrong, such as normal query becomes slow due to no compaction on the delta
files. It would be nice to abort the Metastore early before things become
worse. (was: For the lease leader election, if a Metastore cannot participate
in the election within the retries, it's still running with only a message
warned. This could be an issue if all Metastores have failed the election or a
restarted leader cannot join in the election anymore due to some unknown
exception. As a consequence no housekeeping tasks are running across the
warehouse, and the user cannot figure it out early until things become wrong,
such as normal query becomes slow due to no compaction on the delta files. It
would be nice to abort the Metastore early before things become worse.)
> Abort the service if leader candidates cannot participate in the election
> -------------------------------------------------------------------------
>
> Key: HIVE-29720
> URL: https://issues.apache.org/jira/browse/HIVE-29720
> Project: Hive
> Issue Type: Bug
> Components: Standalone Metastore
> Reporter: Zhihua Deng
> Priority: Major
>
> For the lease leader election, if a Metastore cannot participate in the
> election within retries, it's still running with only a message warned. This
> could be an issue if all Metastores have failed the election or a restarted
> leader cannot join in the election anymore due to some unknown exception. As
> a consequence no housekeeping tasks are running across the warehouse, and the
> user cannot figure it out early until things become wrong, such as normal
> query becomes slow due to no compaction on the delta files. It would be nice
> to abort the Metastore early before things become worse.
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