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Posted to issues@spark.apache.org by "Xiao Li (JIRA)" <ji...@apache.org> on 2018/06/04 17:12:00 UTC

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

Xiao Li created SPARK-24461:
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             Summary: 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


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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