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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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Hairong Kuang updated HADOOP-1908:
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Attachment: datanodeRestructure2.patch
This patch touches the code that effects the core functionality of data nodes.
Many thanks to Raghu for his time on reviewing my patch line by line to make
sure that the patch works correctly . This new patch incorporates all his
comments.
> 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
>
>
> 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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