[jira] Commented: (HADOOP-3422) Ganglia counter metrics are all reported with the metric name "value", so the counter values can not be seen

["Lohit Vijayarenu (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-3422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12616506#action_12616506 ] 

Lohit Vijayarenu commented on HADOOP-3422:
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bq. Are there any unit tests that tests the HadoopMetrics API? 
Not as of now. Have opened a JIRA HADOOP-3634 for this. Should be easy if we model something along the lines of FileContext. 

> Ganglia counter metrics are all reported with the metric name "value", so the counter values can not be seen
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-3422
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3422
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: metrics
>    Affects Versions: 0.16.4
>            Reporter: Jason
>         Attachments: diff-20080520-1025.txt
>
>   Original Estimate: 1h
>  Remaining Estimate: 1h
>
> The JobInProgress class reports all metrics with the name "value". The FileMetrics class puts all of the tags into the name when reporting the individual values, but the Ganglia Context does not put the tags into the name..
> This patch modifies the context to build names for the counter metrics out of the tag values. This enables the user to see the indivdual counter values with the ganglia web tool, on a per job basis

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