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Posted to issues@spark.apache.org by "Hyukjin Kwon (Jira)" <ji...@apache.org> on 2019/10/08 05:45:10 UTC

[jira] [Resolved] (SPARK-24461) Snapshot Cache

     [ https://issues.apache.org/jira/browse/SPARK-24461?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon resolved SPARK-24461.
----------------------------------
    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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