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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-6949) Reduces RPC packet size for primitive arrays, especially long[], which is used at block reporting
Date Tue, 22 Mar 2011 11:13:06 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6949?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13009615#comment-13009615
] 

Hudson commented on HADOOP-6949:
--------------------------------

Integrated in Hadoop-Common-trunk #638 (See [https://hudson.apache.org/hudson/job/Hadoop-Common-trunk/638/])
    HADOOP-6949. Reduce RPC packet size of primitive arrays using ArrayPrimitiveWritable instead
of ObjectWritable. Contributed by Matt Foley.


> Reduces RPC packet size for primitive arrays, especially long[], which is used at block
reporting
> -------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-6949
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6949
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: io
>    Affects Versions: 0.22.0
>            Reporter: Navis
>            Assignee: Matt Foley
>             Fix For: 0.23.0
>
>         Attachments: ObjectWritable.diff, arrayprim.patch, arrayprim_v4.patch, arrayprim_v5.patch,
arrayprim_v6.patch, arrayprim_v7.patch
>
>   Original Estimate: 10m
>  Remaining Estimate: 10m
>
> Current implementation of oah.io.ObjectWritable marshals primitive array types as general
object array ; array type string + array length + (element type string + value)*n
> It would not be needed to specify each element types for primitive arrays.

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