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https://issues.apache.org/jira/browse/HIVE-19154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16436610#comment-16436610
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Jason Dere commented on HIVE-19154:
-----------------------------------
Not sure what happened to the precommit test, uploading same patch to re-run.
> Poll notification events to invalidate the results cache
> --------------------------------------------------------
>
> Key: HIVE-19154
> URL: https://issues.apache.org/jira/browse/HIVE-19154
> Project: Hive
> Issue Type: Sub-task
> Reporter: Jason Dere
> Assignee: Jason Dere
> Priority: Major
> Attachments: HIVE-19154.1.patch, HIVE-19154.2.patch,
> HIVE-19154.3.patch
>
>
> Related to the work for HIVE-18609. HIVE-18609 will only invalidate entries
> in the cache if that query looked up again, which could potentially leave a
> lot of undetected invalid entries in the cache taking up space which could
> cause other entries to be evicted. To remove these entries in a more timely
> fashion, have a background thread to periodically check the notification
> events for updates to the tables used in the results cache.
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