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https://issues.apache.org/jira/browse/HDFS-11010?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15630924#comment-15630924
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Anu Engineer commented on HDFS-11010:
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Sorry for the delay in replying. My original comment was in reference to this
statement
bq. Since we can't require that our applications compile (or link) against our
updated schema, this creates a problem that PB was supposed to solve.
I was under the impression that there were incompatible changes in the trunk.
If that is not true, I stand corrected.
A quick search thru JIRAs show that we have been catching and fixing the
incompatible changes, and hopefully 3.x will arrive in a better shape and not
DOA. For some reason, I was under a mistaken impression that trunk was place
where lots of incompatible changes were dumped. I see that Andrew recently
checked in a compatibility checking script and if we are not finding any
incompatibility that is great. My original statement was not something based on
facts, more based on the gut feeling, my apologies for that.
> Update to Protobuf 3 in trunk
> -----------------------------
>
> Key: HDFS-11010
> URL: https://issues.apache.org/jira/browse/HDFS-11010
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: ipc
> Affects Versions: 3.0.0-alpha2
> Reporter: Anu Engineer
>
> This JIRA is to propose that we should move to protobuf 3 from protobuf 2.5.
> This allows us to stay with the newer versions of the protobuf.
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