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https://issues.apache.org/jira/browse/HADOOP-9966?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Haohui Mai updated HADOOP-9966:
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Attachment: HADOOP-9966.002.patch
> Refactor XDR code into XDRReader and XDRWriter
> ----------------------------------------------
>
> Key: HADOOP-9966
> URL: https://issues.apache.org/jira/browse/HADOOP-9966
> Project: Hadoop Common
> Issue Type: Improvement
> Components: nfs
> Reporter: Haohui Mai
> Assignee: Haohui Mai
> Attachments: HADOOP-9966.000.patch, HADOOP-9966.001.patch,
> HADOOP-9966.002.patch
>
>
> Several methods in the current XDR class have ambiguous semantics. For
> example, Size() returns the actual size of internal byte array. The actual
> size of current buffer, is also affected by read requests, which pull data
> out of the buffer.
> These ambiguous semantics makes removing redundant copies on the NFS paths
> difficult.
> This JIRA proposes to decompose the responsibilities of XDR into two separate
> class: XDRReader and XDRWriter. The overall designs should closely follow
> Java's *Reader / *Writer classes.
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