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https://issues.apache.org/jira/browse/HDFS-16581?focusedWorklogId=771445&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-771445
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ASF GitHub Bot logged work on HDFS-16581:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 17/May/22 15:43
Start Date: 17/May/22 15:43
Worklog Time Spent: 10m
Work Description: jianghuazhu opened a new pull request, #4321:
URL: https://github.com/apache/hadoop/pull/4321
### Description of PR
Right now we can't directly see the status of some DataNodes, it would be
helpful to see this information through the dfsadmin tool.
Details: HDFS-16581
### How was this patch tested?
Need to test, when nodes are in DECOMMISSION_INPROGRESS,
DECOMMISSION_INPROGRESS or alive state, we should correctly identify them.
Issue Time Tracking
-------------------
Worklog Id: (was: 771445)
Remaining Estimate: 0h
Time Spent: 10m
> Print DataNode node status
> --------------------------
>
> Key: HDFS-16581
> URL: https://issues.apache.org/jira/browse/HDFS-16581
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: dfsadmin, namenode
> Affects Versions: 3.3.0
> Reporter: JiangHua Zhu
> Assignee: JiangHua Zhu
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> We can use the dfsadmin tool to see which DataNodes the cluster has, and some
> of these nodes are alive, DECOMMISSIONED, or DECOMMISSION_INPROGRESS. It
> would be helpful if we could get this information in a timely manner, such as
> troubleshooting cluster failures, tracking node status, etc.
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