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https://issues.apache.org/jira/browse/HADOOP-9967?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brandon Li updated HADOOP-9967:
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Component/s: nfs
> Zero copies in hdfs-nfs
> -----------------------
>
> Key: HADOOP-9967
> URL: https://issues.apache.org/jira/browse/HADOOP-9967
> Project: Hadoop Common
> Issue Type: Improvement
> Components: nfs
> Reporter: Haohui Mai
>
> There are multiple copies in the NFS request / response paths. For example,
> The RPCFrameDecoder class always copies the data. Currently these copies are
> mandatory, due to the inflexibilities of several internal APIs.
> Using the ChannelBuffer class in the APIs should these excessive copies in
> the NFS path.
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