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https://issues.apache.org/jira/browse/SPARK-6479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14486143#comment-14486143
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Zhan Zhang commented on SPARK-6479:
-----------------------------------

[~rxin] I updated the doc. If you think the overall design is OK, I will upload 
the initial patch for this JIRA soon. The patch will be just stub class, and 
the real migration for tachyon and new implementation for hdfs will be submit 
for review in spark-6112. Please let me know if you have any concern.

> Create off-heap block storage API (internal)
> --------------------------------------------
>
>                 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
>
>
> Would be great to create APIs for off-heap block stores, rather than doing a 
> bunch of if statements everywhere.



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