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https://issues.apache.org/jira/browse/HIVE-24176?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jesus Camacho Rodriguez reassigned HIVE-24176:
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> Create query-level cache for HMS requests and extend existing local HS2 HMS
> cache
> ---------------------------------------------------------------------------------
>
> Key: HIVE-24176
> URL: https://issues.apache.org/jira/browse/HIVE-24176
> Project: Hive
> Issue Type: Improvement
> Components: HiveServer2
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
>
> This issue creates a query-level cache for HMS requests. The lifecycle of
> that cache is associated to the lifecycle of the query. This basically means
> that each unique request to certain HMS APIs should only be served once from
> HMS, while follow-up repetitive calls will be retrieved from cache. The
> initial implementation includes caching for 19 APIs.
> This issue also extends existing local HS2 HMS cache implementation
> introduced in HIVE-23949 to support other requests (getTableColumnStatistics,
> getPartitionsByNames). In fact, implementation relies on some of the logic
> introduced in that JIRA since there are some commonalities.
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