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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