[jira] [Assigned] (SPARK-12817) Simplify CacheManager code and remove unused BlockManager methods

["Apache Spark (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-12817?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-12817:
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    Assignee: Apache Spark  (was: Josh Rosen)

> Simplify CacheManager code and remove unused BlockManager methods
> -----------------------------------------------------------------
>
>                 Key: SPARK-12817
>                 URL: https://issues.apache.org/jira/browse/SPARK-12817
>             Project: Spark
>          Issue Type: Improvement
>          Components: Block Manager
>            Reporter: Josh Rosen
>            Assignee: Apache Spark
>
> CacheManager directly calls MemoryStore.unrollSafely() and has its own logic for handling graceful fallback to disk when cached data does not fit in memory. However, this logic also exists inside of the MemoryStore itself, so this appears to be unnecessary duplication.
> We can remove this duplication and delete a significant amount of BlockManager code which existed only to support this CacheManager code.



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