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https://issues.apache.org/jira/browse/HADOOP-9669?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brandon Li updated HADOOP-9669:
-------------------------------
Resolution: Fixed
Status: Resolved (was: Patch Available)
> Reduce the number of byte array creations and copies in XDR data manipulation
> -----------------------------------------------------------------------------
>
> Key: HADOOP-9669
> URL: https://issues.apache.org/jira/browse/HADOOP-9669
> Project: Hadoop Common
> Issue Type: Improvement
> Components: nfs
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Haohui Mai
> Fix For: 2.1.1-beta
>
> Attachments: HADOOP-9669.001.patch, HADOOP-9669.002.patch,
> HADOOP-9669.003.patch, HADOOP-9669.patch
>
>
> XDR.writeXxx(..) methods ultimately use the static XDR.append(..) for writing
> each data type. The static append creates a new array and copy data.
> Therefore, for a singe reply such as RpcAcceptedReply.voidReply(..), there
> are multiple array creations and array copies. For example, there are at
> least 6 array creations and array copies for RpcAcceptedReply.voidReply(..).
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