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https://issues.apache.org/jira/browse/HADOOP-1908?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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dhruba borthakur updated HADOOP-1908:
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Resolution: Fixed
Status: Resolved (was: Patch Available)
I just committed this. Thanks Hairong!
> Restructure data node code so that block sending/receiving is seperated from
> data transfer header handling
> ----------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-1908
> URL: https://issues.apache.org/jira/browse/HADOOP-1908
> Project: Hadoop
> Issue Type: Improvement
> Components: dfs
> Affects Versions: 0.14.1
> Reporter: Hairong Kuang
> Assignee: Hairong Kuang
> Fix For: 0.15.0
>
> Attachments: datanode.patch, datanodeRestructure.patch,
> datanodeRestructure.patch, datanodeRestructure1.patch,
> datanodeRestructure2.patch, datanodeRestructure3.patch
>
>
> This jira is intended for code sharing. I'd like to have a BlockSender which
> is resposible for reading a block from a disk and writing it to an output
> stream, and a BlockReceiver which receives a block from an input stream,
> writes it to a disk, and possibly writes it a mirror ouput stream to support
> pipeline writes. Block sender and receiver code is independent of any block
> IO protocols so it could be shared by block transfer, block write, block
> read, and future block replacement introduced by data node rebalancing.
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