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From "Imran Rashid (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-6190) create LargeByteBuffer abstraction for eliminating 2GB limit on blocks
Date Thu, 05 Mar 2015 18:11:38 GMT

     [ https://issues.apache.org/jira/browse/SPARK-6190?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Imran Rashid updated SPARK-6190:
--------------------------------
    Attachment: LargeByteBuffer.pdf

design doc

> create LargeByteBuffer abstraction for eliminating 2GB limit on blocks
> ----------------------------------------------------------------------
>
>                 Key: SPARK-6190
>                 URL: https://issues.apache.org/jira/browse/SPARK-6190
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>            Reporter: Imran Rashid
>            Assignee: Imran Rashid
>         Attachments: LargeByteBuffer.pdf
>
>
> A key component in eliminating the 2GB limit on blocks is creating a proper abstraction
for storing more than 2GB.  Currently spark is limited by a reliance on nio ByteBuffer and
netty ByteBuf, both of which are limited at 2GB.  This task will introduce the new abstraction
and the relevant implementation and utilities, without effecting the existing implementation
at all.



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