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https://issues.apache.org/jira/browse/SPARK-6479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14490320#comment-14490320
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Reynold Xin commented on SPARK-6479:
------------------------------------

[~zhanzhang] I thought about this more -- can you rename everything to 
"external block store" rather than "offheap store"? I think offheap will be 
very confusing, because we are already using offheap memory in Spark (through 
DirectByteBuffer and Netty), and will likely use it more. 

> Create external block store API
> -------------------------------
>
>                 Key: SPARK-6479
>                 URL: https://issues.apache.org/jira/browse/SPARK-6479
>             Project: Spark
>          Issue Type: Improvement
>          Components: Block Manager, Spark Core
>            Reporter: Reynold Xin
>         Attachments: SPARK-6479.pdf, SPARK-6479OffheapAPIdesign (1).pdf, 
> SPARK-6479OffheapAPIdesign.pdf, SparkOffheapsupportbyHDFS.pdf, 
> spark-6479-tachyon.patch
>
>
> Would be great to create APIs for external block stores, rather than doing a 
> bunch of if statements everywhere.



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