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https://issues.apache.org/jira/browse/HDFS-16461?focusedWorklogId=730107&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-730107
]
ASF GitHub Bot logged work on HDFS-16461:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 20/Feb/22 05:58
Start Date: 20/Feb/22 05:58
Worklog Time Spent: 10m
Work Description: virajjasani opened a new pull request #4002:
URL: https://github.com/apache/hadoop/pull/4002
### Description of PR
We should expose the list of storage info of JournalNode's journals
(including layout version, namespace id, cluster id and creation time of the FS
state) in the jmx metrics.
### How was this patch tested?
Local dev cluster and UT.
<img width="944" alt="Screenshot 2022-02-20 at 12 10 12 AM"
src="https://user-images.githubusercontent.com/34790606/154830587-c009a870-f1d2-48fb-a90f-e6bbecadf8f1.png";>
### For code changes:
- [X] Does the title or this PR starts with the corresponding JIRA issue id
(e.g. 'HADOOP-17799. Your PR title ...')?
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Issue Time Tracking
-------------------
Worklog Id: (was: 730107)
Remaining Estimate: 0h
Time Spent: 10m
> Expose JournalNode storage info in the jmx metrics
> --------------------------------------------------
>
> Key: HDFS-16461
> URL: https://issues.apache.org/jira/browse/HDFS-16461
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Viraj Jasani
> Assignee: Viraj Jasani
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> We should expose the list of storage info of JournalNode's journals
> (including layout version, namespace id, cluster id and creation time of the
> FS state) in the jmx metrics.
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