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https://issues.apache.org/jira/browse/HDFS-10984?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15557062#comment-15557062
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Siddharth Wagle edited comment on HDFS-10984 at 10/10/16 8:25 PM:
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Sample flattened output of the window metrics emitted to Ambari Metrics System:
{quote}
dfs.NNTopUserOpCounts.windowMs=60000.op=listStatus.user=mapred.count
{quote}
was (Author: swagle):
Sample flattened output of the window metrics emitted to Ambari Metrics System:
{quote}
dfs.TopUserOpCounts.windowMs=60000.op=listStatus.user=mapred.count
{quote}
> Expose nntop output as metrics
> ---------------------------------
>
> Key: HDFS-10984
> URL: https://issues.apache.org/jira/browse/HDFS-10984
> Project: Hadoop HDFS
> Issue Type: Task
> Components: namenode
> Affects Versions: 2.7.0
> Reporter: Siddharth Wagle
> Assignee: Siddharth Wagle
> Fix For: 2.7.3
>
> Attachments: HDFS-10984.patch, HDFS-10984.v1.patch,
> HDFS-10984.v2.patch
>
>
> The nntop output is already exposed via JMX with HDFS-6982.
> However external metrics systems do not get this data. It would be valuable
> to track this as a timeseries as well.
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