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https://issues.apache.org/jira/browse/HADOOP-3340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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lohit vijayarenu updated HADOOP-3340:
-------------------------------------

    Attachment: HADOOP-3340-1.patch

ReadMetadataOpNum is no longer needed. I have opened HADOOP-3469 to get ride of 
code and metrics associated with it. For now, we could just ignore it. All the 
other 3 metrics seem to work fine with FileContext. 

> hadoop dfs metrics shows 0
> --------------------------
>
>                 Key: HADOOP-3340
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3340
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: metrics
>    Affects Versions: 0.16.2
>         Environment: Red Hat Enterprise Linux AS release 4 (Nahant Update 5), 
> Intel(R) Xeon(TM) CPU 2.80GHz, jdk1.5.0_15
>            Reporter: Eric Yang
>         Attachments: HADOOP-3340-1.patch
>
>
> Hadoop dfs Mbean has the following metrics showing as 0.
> BlocksReplicated (unimplemented)
> ReadMetadataOpNum
> HeartbeatsNum
> BlockReportsAverageTime

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