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https://issues.apache.org/jira/browse/HDFS-2058?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13047374#comment-13047374
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Suresh Srinivas commented on HDFS-2058:
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> As I was doing this I noted that it's kind of silly that we even send
> DatanodeInfo as part of the pipeline. All of the fields are unused for data
> transfer, right? All we really need is DatanodeId here, no?
You are right. But do you think the information we are sending could be useful
for the client. I prefer leaving it as it is now.
+1 for the change.
Since findbugs warnings are for generated code - we should just suppress them
in src/test/findbugsExclude.xml. I have not looked at javac warnings.
> DataTransfer Protocol using protobufs
> -------------------------------------
>
> Key: HDFS-2058
> URL: https://issues.apache.org/jira/browse/HDFS-2058
> Project: Hadoop HDFS
> Issue Type: New Feature
> Affects Versions: 0.23.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Fix For: 0.23.0
>
> Attachments: HDFS-2058.patch, hdfs-2058.txt, hdfs-2058.txt,
> hdfs-2058.txt
>
>
> We've been talking about this for a long time... would be nice to use
> something like protobufs or Thrift for some of our wire protocols.
> I knocked together a prototype of DataTransferProtocol on top of proto bufs
> that seems to work.
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