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https://issues.apache.org/jira/browse/HADOOP-6949?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13012580#comment-13012580
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Matt Foley commented on HADOOP-6949:
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Hi Konstantin, the vote seems to be pretty strongly in favor, so I went ahead
and ran some tests of the patch against v0.22. Confirmed that the patch
applies automatically, and hadoop/common compiles and successfully runs core
unit tests.
> 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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