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https://issues.apache.org/jira/browse/HDFS-16683?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HDFS-16683:
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Labels: pull-request-available (was: )
> All method metrics related to the rpc protocol should be initialized
> --------------------------------------------------------------------
>
> Key: HDFS-16683
> URL: https://issues.apache.org/jira/browse/HDFS-16683
> Project: Hadoop HDFS
> Issue Type: Bug
> Environment: When an RPC protocol is used, the metric of
> protocol-related methods should be initialized; otherwise, metric information
> will be incomplete. For example, when we call
> HAServiceProtocol#monitorHealth(), only the metric of monitorHealth() are
> initialized, and the metric of transitionToStandby() are still not reported.
> This incompleteness caused a little trouble for our monitoring system.
> The root cause is that the parameter passed by RpcEngine to
> MutableRatesWithAggregation#init(java.lang.Class<?>) is always
> XXXProtocolPB, which is inherited from BlockingInterface and does not
> implement any methods. We should fix this bug.
> Reporter: Shuyan Zhang
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
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