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https://issues.apache.org/jira/browse/HDFS-16634?focusedWorklogId=782203&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-782203
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ASF GitHub Bot logged work on HDFS-16634:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 17/Jun/22 01:13
Start Date: 17/Jun/22 01:13
Worklog Time Spent: 10m
Work Description: virajjasani opened a new pull request, #4448:
URL: https://github.com/apache/hadoop/pull/4448
### Description of PR
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.
### How was this patch tested?
Dev cluster and using UT.
### For code changes:
- [X] Does the title or this PR starts with the corresponding JIRA issue id
(e.g. 'HADOOP-17799. Your PR title ...')?
Issue Time Tracking
-------------------
Worklog Id: (was: 782203)
Remaining Estimate: 0h
Time Spent: 10m
> 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
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> 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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