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https://issues.apache.org/jira/browse/HDFS-14495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16942449#comment-16942449
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Ayush Saxena commented on HDFS-14495:
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bq. Incompatible changes allowed: major (X.0.0)
Thanx [~brahmareddy] for sharing the doc, If I read it correct, The Compat
guidelines allow to change the JMX entries only in major release, and the trunk
points to 3.3.0 as of now, and we don't have a solid reason to disobey the
compat, Since this doesn't cause any functional issue.
> RBF: Duplicate FederationRPCMetrics
> -----------------------------------
>
> Key: HDFS-14495
> URL: https://issues.apache.org/jira/browse/HDFS-14495
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: metrics
> Reporter: Akira Ajisaka
> Assignee: hemanthboyina
> Priority: Major
>
> There are two FederationRPCMetrics displayed in Web UI (http://<dfsrouter
> hostname>:<port>/jmx) and most of the metrics are the same.
> * FederationRPCMetrics via {{@Metrics}} and {{@Metric}} annotations
> * FederationRPCMetrics via registering FederationRPCMBean
> Can we remove {{@Metrics}} and {{@Metric}} annotations to remove duplication?
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