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https://issues.apache.org/jira/browse/HDFS-17367?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17840083#comment-17840083
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ASF GitHub Bot commented on HDFS-17367:
---------------------------------------
haiyang1987 commented on code in PR #6735:
URL: https://github.com/apache/hadoop/pull/6735#discussion_r1576147893
##########
hadoop-common-project/hadoop-common/src/site/markdown/Metrics.md:
##########
@@ -326,6 +326,15 @@ Each metrics record contains tags such as HAState and
Hostname as additional inf
| `FSN(Read/Write)LockOverallNanosAvgTime` | Average time of holding the lock
by all operations in nanoseconds |
| `PendingSPSPaths` | The number of paths to be processed by storage policy
satisfier |
+BlockManager
+-------------
+
+BlockManager metrics indicate each StorageType's usage in the cluster with
detailed entries.
Review Comment:
Maybe BlockManager will add other metrics in the future and we can update it
to a more generic description?
> Add PercentUsed for Different StorageTypes in JMX
> -------------------------------------------------
>
> Key: HDFS-17367
> URL: https://issues.apache.org/jira/browse/HDFS-17367
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: metrics, namenode
> Affects Versions: 3.5.0
> Reporter: Hualong Zhang
> Assignee: Hualong Zhang
> Priority: Major
> Labels: pull-request-available
>
> Currently, the NameNode only displays PercentUsed for the entire cluster. We
> plan to add corresponding PercentUsed metrics for different StorageTypes.
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