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https://issues.apache.org/jira/browse/HDFS-16376?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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tomscut updated HDFS-16376:
---------------------------
Description:
In our cluster, we can see logs for nodes that are not chosen. But it's hard to
see the percentages in each reason from the logs. It is best to add relevant
metrics to monitor the entire cluster.
!image-2021-12-09-23-48-42-865.png|width=517,height=187!
*JMX metrics:*
!image-2021-12-09-23-55-29-017.png|width=620,height=152!
was:
In our cluster, we can see logs for nodes that are not chosen. But it's hard to
see the percentages in each reason from the logs. It is best to add relevant
metrics to monitor the entire cluster.
!image-2021-12-09-23-48-42-865.png|width=517,height=187!
!image-2021-12-09-23-55-29-017.png|width=620,height=152!
> Expose metrics of NodeNotChosenReason to JMX
> --------------------------------------------
>
> Key: HDFS-16376
> URL: https://issues.apache.org/jira/browse/HDFS-16376
> Project: Hadoop HDFS
> Issue Type: New Feature
> Reporter: tomscut
> Assignee: tomscut
> Priority: Major
> Labels: pull-request-available
> Attachments: image-2021-12-09-23-48-42-865.png,
> image-2021-12-09-23-55-29-017.png
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> In our cluster, we can see logs for nodes that are not chosen. But it's hard
> to see the percentages in each reason from the logs. It is best to add
> relevant metrics to monitor the entire cluster.
> !image-2021-12-09-23-48-42-865.png|width=517,height=187!
> *JMX metrics:*
> !image-2021-12-09-23-55-29-017.png|width=620,height=152!
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