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https://issues.apache.org/jira/browse/HDFS-11010?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15630675#comment-15630675
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Daryn Sharp commented on HDFS-11010:
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Yes, [~anu], please clarify what "we have broken so many of those classes
already" means. As I mentioned elsewhere, 3.x is DOA for large deployments if
there is no compatibility.
(Lest you cite webhdfs as a compatibility bridge, it's a destroyer of clusters.
Semi-recently, webhdfs caused ~1w heap growth in ~1h. We're talking 20GB+.)
> 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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