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https://issues.apache.org/jira/browse/SPARK-2422?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Armbrust updated SPARK-2422:
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Priority: Blocker (was: Major)
> Spark SQL migration guide for Shark users
> -----------------------------------------
>
> Key: SPARK-2422
> URL: https://issues.apache.org/jira/browse/SPARK-2422
> Project: Spark
> Issue Type: Task
> Components: SQL
> Reporter: Cheng Lian
> Priority: Blocker
>
> Several behaviors in Spark SQL Thrift server is different from Shark, below
> is an incomplete list:
> * Tables whose names end with {{_cached}} are not automatically cached
> anymore, instead user should call the new {{CACHE TABLE}} statement
> explicitly.
> * In-memory cache write through policy is not implemented yet
> * Cache reloading is not implemented yet
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