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https://issues.apache.org/jira/browse/HIVE-20834?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Dere reassigned HIVE-20834:
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> Hive QueryResultCache entries keeping reference to SemanticAnalyzer from
> cached query
> -------------------------------------------------------------------------------------
>
> Key: HIVE-20834
> URL: https://issues.apache.org/jira/browse/HIVE-20834
> Project: Hive
> Issue Type: Bug
> Reporter: Jason Dere
> Assignee: Jason Dere
> Priority: Major
>
> QueryResultCache.LookupInfo ends up keeping a reference to the
> SemanticAnalyzer from the cached query, for as long as the cached entry is in
> the cache. We should not be keeping the SemanticAnalyzer around after the
> query is done executing since they can hold on to quite a bit of memory.
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