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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