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https://issues.apache.org/jira/browse/HIVE-20440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16609496#comment-16609496
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Sahil Takiar commented on HIVE-20440:
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Then it might be better to have a two level cache. The first that has
time-based eviction and has an eviction handler that loads into another cache
that uses soft references.
> Create better cache eviction policy for SmallTableCache
> -------------------------------------------------------
>
> Key: HIVE-20440
> URL: https://issues.apache.org/jira/browse/HIVE-20440
> Project: Hive
> Issue Type: Improvement
> Components: Spark
> Reporter: Antal Sinkovits
> Assignee: Antal Sinkovits
> Priority: Major
> Attachments: HIVE-20440.01.patch, HIVE-20440.02.patch,
> HIVE-20440.03.patch, HIVE-20440.04.patch
>
>
> Enhance the SmallTableCache, to use guava cache with soft references, so that
> we evict when there is memory pressure.
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