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Posted to common-issues@hadoop.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2023/09/09 10:49:00 UTC
[jira] [Commented] (HADOOP-18885) Add rpcRejectedByObserverCalls metric to quantify the number of rejected RPCs by Observer NameNode
[ https://issues.apache.org/jira/browse/HADOOP-18885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17763327#comment-17763327 ]
ASF GitHub Bot commented on HADOOP-18885:
-----------------------------------------
haiyang1987 opened a new pull request, #6043:
URL: https://github.com/apache/hadoop/pull/6043
### Description of PR
https://issues.apache.org/jira/browse/HADOOP-18885
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.
> 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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