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https://issues.apache.org/jira/browse/HDFS-7390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14218379#comment-14218379
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Benoy Antony commented on HDFS-7390:
------------------------------------
[~clamb], I was trying to satisfy the Json structure in
https://issues.apache.org/jira/browse/HDFS-7390?focusedCommentId=14211474&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14211474
.
Per http://www.json.org/ , anything between double quotes is a string. The
following basically represents two strings.
{noformat}
"TieredStorageStats" : "{DISK={capacityTotal=42275598336,
capacityUsed=24576, capacityRemaining=21051469824, blockPoolUsed=24576,
nodesInService=1}}",
{noformat}
An object is denoted by curly brackets. The following represents a String and a
Json Object.
{code}
"TieredStorageStats" :
{"ARCHIVE":{"capacityTotal":1498254102528,"capacityUsed":12288,"capacityRemaining":982557745152,"blockPoolUsed":12288,"nodesInService":3},"DISK":{"capacityTotal":1498254102528,"capacityUsed":49152,"capacityRemaining":982557745152,"blockPoolUsed":49152,"nodesInService":3}}
{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-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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