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https://issues.apache.org/jira/browse/HADOOP-18885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18029924#comment-18029924
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ASF GitHub Bot commented on HADOOP-18885:
-----------------------------------------

github-actions[bot] closed pull request #6043:  HADOOP-18885. Add 
rpcCallsRejectedByObserver metric to quantify the number of rejected RPCs by 
Observer NameNode
URL: https://github.com/apache/hadoop/pull/6043




> Add rpcRejectedByObserverCalls metric  to quantify the number of rejected 
> RPCs by Observer NameNode
> ---------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-18885
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18885
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Haiyang Hu
>            Assignee: Haiyang Hu
>            Priority: Major
>              Labels: pull-request-available
>
> When observer Node's serverStateId  is too far behind  clientStateId will 
> rejected client RPC request,
> mabe we need add rpcRejectedByObserverCalls metric to RpcMetrics to quantify 
> the number of rejected RPCs by Observer NameNode to help determine how well 
> the server.



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