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https://issues.apache.org/jira/browse/HIVE-18899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16391733#comment-16391733
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Jason Dere commented on HIVE-18899:
-----------------------------------
results_cache tests failing because the copied FetchWork did not have
cachedResult set to true. Fixing in patch v2.
> Separate FetchWork required for each query that uses the results cache
> ----------------------------------------------------------------------
>
> Key: HIVE-18899
> URL: https://issues.apache.org/jira/browse/HIVE-18899
> Project: Hive
> Issue Type: Sub-task
> Affects Versions: 3.0.0
> Reporter: Jason Dere
> Assignee: Jason Dere
> Priority: Major
> Labels: performance
> Attachments: HIVE-18899.1.patch, HIVE-18899.2.patch
>
>
> [~gopalv] found issues when running lots of concurrent queries against HS2
> with the query cache. Looks like the FetchWork held by the results cache
> cannot be shared between multiple queries because it contains a
> ListSinkOperator that is used to hold the results of a fetch.
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