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https://issues.apache.org/jira/browse/HADOOP-18885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17767829#comment-17767829
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ASF GitHub Bot commented on HADOOP-18885:
-----------------------------------------
simbadzina commented on code in PR #6043:
URL: https://github.com/apache/hadoop/pull/6043#discussion_r1333900782
##########
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/metrics/RpcMetrics.java:
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@@ -363,6 +365,13 @@ public void incrRpcCallSuccesses() {
rpcCallSuccesses.incr();
}
+ /**
+ * Increments the Observer NameNode rejected RPC Calls Counter.
+ */
+ public void incrRcRejectedByObserverCalls() {
Review Comment:
Can you expand `Rc` to `Rpc`. So `incrRpcRejectedByObserverCalls`.
> 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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