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Posted to hdfs-dev@hadoop.apache.org by "Viraj Jasani (Jira)" <ji...@apache.org> on 2022/06/17 01:08:00 UTC

[jira] [Created] (HDFS-16634) Dynamically adjust slow peer report size on JMX metrics

Viraj Jasani created HDFS-16634:
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             Summary: Dynamically adjust slow peer report size on JMX metrics
                 Key: HDFS-16634
                 URL: https://issues.apache.org/jira/browse/HDFS-16634
             Project: Hadoop HDFS
          Issue Type: Task
            Reporter: Viraj Jasani
            Assignee: Viraj Jasani


On a busy cluster, sometimes it takes bit of time for deleted node(from the cluster)'s "slow node report" to get removed from slow peer json report on Namenode JMX metrics. In the meantime, user should be able to browse through more entries in the report by adjusting i.e. reconfiguring "dfs.datanode.max.nodes.to.report" so that the list size can be adjusted without user having to bounce active Namenode just for this purpose.



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