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https://issues.apache.org/jira/browse/SPARK-24461?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-24461.
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Resolution: Incomplete
> Snapshot Cache
> --------------
>
> Key: SPARK-24461
> URL: https://issues.apache.org/jira/browse/SPARK-24461
> Project: Spark
> Issue Type: New Feature
> Components: SQL
> Affects Versions: 2.3.0
> Reporter: Xiao Li
> Assignee: Wei Xue
> Priority: Major
> Labels: bulk-closed
>
> In some usage scenarios, data staleness is not critical. We can introduce a
> snapshot cache of the original data for achieving much better performance.
> Different from the current cache, it is resolved by names instead of by plan
> matching. Cache rebuild can be manually or by events.
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