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https://issues.apache.org/jira/browse/HADOOP-18885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Haiyang Hu updated HADOOP-18885:
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Summary: Add rpcRejectedByObserverCalls metric to quantify the number of
rejected RPCs by Observer NameNode (was: Add rpcRejectedByObserverCalls metric
to quantify the number ofrejected RPCs by Observer NameNode)
> 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
>
> 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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