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https://issues.apache.org/jira/browse/HADOOP-7379?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated HADOOP-7379:
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Resolution: Fixed
Release Note: Protocol buffer-generated types may now be used as arguments
or return values for Hadoop RPC.
Hadoop Flags: [Reviewed]
Status: Resolved (was: Patch Available)
Committed to trunk. Thanks for reviewing, Luke!
I haven't marked this as an incompatible change, since it simply adds a new
feature to ObjectWritable without changing encoding of any existing features.
> Add ability to include Protobufs in ObjectWritable
> --------------------------------------------------
>
> Key: HADOOP-7379
> URL: https://issues.apache.org/jira/browse/HADOOP-7379
> Project: Hadoop Common
> Issue Type: Improvement
> Components: io, ipc
> Affects Versions: 0.23.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Fix For: 0.23.0
>
> Attachments: hadoop-7379.txt, hadoop-7379.txt
>
>
> Per HDFS-2060, it would make it easier to piecemeal switch to protocol buffer
> based data structures in the wire protocol if we could intermix the two. The
> IPC framework currently provides the concept of "engines" for RPC, but that
> doesn't easily allow mixed types within the same framework for ease of
> transition.
> I'd like to add the cases to ObjectWritable to be handle subclasses of
> {{Message}}, the superclass of codegenned protobufs.
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