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https://issues.apache.org/jira/browse/HADOOP-9944?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13769060#comment-13769060
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Junping Du commented on HADOOP-9944:
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bq. If we do permit breaking compatibility, sint32 is better cause it uses
ZigZag encoding which uses much less spaces for small negative intergers.
CallID will not be negative value. No?
> RpcRequestHeaderProto defines callId as uint32 while
> ipc.Client.CONNECTION_CONTEXT_CALL_ID is signed (-3)
> ---------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-9944
> URL: https://issues.apache.org/jira/browse/HADOOP-9944
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Arun C Murthy
> Assignee: Arun C Murthy
> Priority: Blocker
> Attachments: HADOOP-9944.patch, HADOOP-9944.patch
>
>
> RpcRequestHeaderProto defines callId as uint32 while
> ipc.Client.CONNECTION_CONTEXT_CALL_ID is signed (-3).
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