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https://issues.apache.org/jira/browse/HADOOP-13363?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15943685#comment-15943685
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Andrew Wang commented on HADOOP-13363:
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I see there's been motion on this JIRA, did we ever have the ML discussion? Is
source compatibility handled by the shaded client? Did we test wire
compatibility? [~chris.douglas] brought up some incompatibilities on HDFS-11010
that I don't think were resolved.
I also asked this on HDFS-11010, but what do we gain from upgrading to a 3.x
release of PB?
> 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
> 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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