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Date: Tue, 20 Aug 2013 19:49:51 +0000 (UTC)
From: "Gunther Hagleitner (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
Message-ID: <JIRA.12664130.1376682517702.4893.1377028191895@arcas>
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Subject: [jira] [Commented] (HIVE-5112) Upgrade protobuf to 2.5 from 2.4
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    [ https://issues.apache.org/jira/browse/HIVE-5112?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13745325#comment-13745325 ] 

Gunther Hagleitner commented on HIVE-5112:
------------------------------------------

[~appodictic] I am all for avoiding generated code, that's great stuff. However, in this case the question is about compatibility.

I think I've found answer to my 2 questions:

a) Hadoop 1 line doesn't depend on protobuf. So my 1st question is irrelevant. It will work.
b) 2.4 and 2.5 are compatible on the wire, so the new code will be able to read old orc files.

So, I think the change is good. 

                
> Upgrade protobuf to 2.5 from 2.4
> --------------------------------
>
>                 Key: HIVE-5112
>                 URL: https://issues.apache.org/jira/browse/HIVE-5112
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Brock Noland
>            Assignee: Owen O'Malley
>         Attachments: HIVE-5112.D12429.1.patch
>
>
> Hadoop and Hbase have both upgraded protobuf. We should as well.

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