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Posted to common-issues@hadoop.apache.org by "Brandon Li (JIRA)" <ji...@apache.org> on 2013/09/13 01:45:54 UTC

[jira] [Updated] (HADOOP-9669) There are multiple array creations and array copies for a single nfs rpc reply

     [ https://issues.apache.org/jira/browse/HADOOP-9669?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Brandon Li updated HADOOP-9669:
-------------------------------

    Assignee:     (was: Brandon Li)
    
> There are multiple array creations and array copies for a single nfs rpc reply
> ------------------------------------------------------------------------------
>
>                 Key: HADOOP-9669
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9669
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Tsz Wo (Nicholas), SZE
>
> 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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