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https://issues.apache.org/jira/browse/HADOOP-12702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Karthik Kambatla updated HADOOP-12702:
--------------------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 2.9.0
           Status: Resolved  (was: Patch Available)

Thanks Daniel for reporting and working on this. 

Just committed to trunk and branch-2. 

> Add an HDFS metrics sink
> ------------------------
>
>                 Key: HADOOP-12702
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12702
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: metrics
>    Affects Versions: 2.7.1
>            Reporter: Daniel Templeton
>            Assignee: Daniel Templeton
>             Fix For: 2.9.0
>
>         Attachments: HADOOP-12702.001.patch, HADOOP-12702.002.patch, 
> HADOOP-12702.003.patch, HADOOP-12702.004.patch, HADOOP-12702.005.patch, 
> HADOOP-12702.006.patch
>
>
> We need a metrics2 sink that can write metrics to HDFS. The sink should 
> accept as configuration a "directory prefix" and do the following in 
> {{putMetrics()}}
> * Get yyyyMMddHH from current timestamp.
> * If HDFS dir "dir prefix" + yyyyMMddHH doesn't exist, create it. Close any 
> currently open file and create a new file called <hostname>.log in the new 
> directory.
> * Write metrics to the current log file.
> * If a write fails, it should be fatal to the process running the sink.



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