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https://issues.apache.org/jira/browse/HDFS-7390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14211448#comment-14211448
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Benoy Antony commented on HDFS-7390:
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[~wheat9], I did not understand the recommendation.
Currently, these additional statistics are under FSNamesystemState metrics.
If you need something different, could you please provide me some additional
pointers ?
{code:title=JMX output}
{
"name" : "Hadoop:service=NameNode,name=FSNamesystemState",
"modelerType" : "org.apache.hadoop.hdfs.server.namenode.FSNamesystem",
"CapacityTotal" : 2996508205056,
"CapacityUsed" : 36864,
"CapacityRemaining" : 1960205205504,
"TotalLoad" : 6,
"SnapshotStats" : "{\"SnapshottableDirectories\":0,\"Snapshots\":0}",
"TieredStorageStats" :
"{\"ARCHIVE\":{\"capacityTotal\":1498254102528,\"capacityUsed\":12288,\"capacityRemaining\":980102602752,\"blockPoolUsed\":12288,\"nodesInService\":3,\"numBlocks\":0},\"DISK\":{\"capacityTotal\":1498254102528,\"capacityUsed\":24576,\"capacityRemaining\":980102602752,\"blockPoolUsed\":24576,\"nodesInService\":3,\"numBlocks\":0}}",
{code}
> Provide JMX metrics per storage type
> ------------------------------------
>
> Key: HDFS-7390
> URL: https://issues.apache.org/jira/browse/HDFS-7390
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 2.5.2
> Reporter: Benoy Antony
> Assignee: Benoy Antony
> Attachments: HDFS-7390.patch
>
>
> HDFS-2832 added heterogeneous support. In a cluster with different storage
> types, it is useful to have metrics per storage type.
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