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From "Tsuyoshi Ozawa (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13363) Upgrade protobuf from 2.5.0 to something newer
Date Thu, 06 Apr 2017 05:38:42 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13363?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15958318#comment-15958318
] 

Tsuyoshi Ozawa commented on HADOOP-13363:
-----------------------------------------

[~andrew.wang] I thought this should be in alpha3, personally. After discussion on ML, we
confirmed that proto2 syntax is compatible with protobuf spec v2. We have enough confidence
to update protobuf version, I think.

{quote}
Would it make sense having a shaded-3rdparty-libs jar that had relocated protobuf and other
libs we want to shade?
{quote}

It makes sense to me, but IIUC, this is one kind of optimization to reduce jar size. IMHO,
we can make this change later. What do you think?

> Upgrade protobuf from 2.5.0 to something newer
> ----------------------------------------------
>
>                 Key: HADOOP-13363
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13363
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: build
>    Affects Versions: 3.0.0-alpha1, 3.0.0-alpha2
>            Reporter: Allen Wittenauer
>            Priority: Blocker
>         Attachments: HADOOP-13363.001.patch, HADOOP-13363.002.patch, HADOOP-13363.003.patch,
HADOOP-13363.004.patch, HADOOP-13363.005.patch
>
>
> Standard protobuf 2.5.0 does not work properly on many platforms.  (See, for example,
https://gist.github.com/BennettSmith/7111094 ).  In order for us to avoid crazy work arounds
in the build environment and the fact that 2.5.0 is starting to slowly disappear as a standard
install-able package for even Linux/x86, we need to either upgrade or self bundle or something
else.



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