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https://issues.apache.org/jira/browse/HDFS-2618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13162621#comment-13162621
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Suresh Srinivas commented on HDFS-2618:
---------------------------------------
Todd,
Changing BlockWithLocations which used String for indicating DatanodeID to
DatanodeIDProto:
{noformat}
message DatanodeIDProto {
required string name = 1; // hostname:portNumber
required string storageID = 2; // Unique storage id
required uint32 infoPort = 3; // the port where the infoserver is running
required uint32 ipcPort = 4; // the port where the ipc Server is running
}
{noformat}
seems unnecessary and excessive. BlockWithLocations can change to incorporate
more information in the future instead of doing this. I did not pay close
attention to this when I code reviewed the previous change.
Hence changing it back to be equivalent to the existing protocol.
> Implement protobuf service for NamenodeProtocol
> -----------------------------------------------
>
> Key: HDFS-2618
> URL: https://issues.apache.org/jira/browse/HDFS-2618
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: name-node
> Reporter: Suresh Srinivas
> Assignee: Suresh Srinivas
> Fix For: 0.24.0
>
> Attachments: HDFS-2618.txt, HDFS-2618.txt
>
>
> This jira adds implementation for NamenodeProtocol protobuf service along the
> same lines as HDFS-2181
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