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From "Luke Lu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-7540) Add dense update option fo metrics2 file sink
Date Fri, 12 Aug 2011 16:44:27 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-7540?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Luke Lu updated HADOOP-7540:
----------------------------

    Summary: Add dense update option fo metrics2 file sink  (was: [MR-279] Enable dense update
for file sink metrics)

The patch will add a boolean dense option for the FileSink. e.g.:
{code}
mrappmaster.sink.file.dense=true
{code}

> Add dense update option fo metrics2 file sink
> ---------------------------------------------
>
>                 Key: HADOOP-7540
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7540
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: metrics
>    Affects Versions: 0.23.0
>            Reporter: Ramya Sunil
>            Assignee: Luke Lu
>             Fix For: 0.23.0
>
>
> Currently, if File sink is enabled for MRAppMaster or Resourcemanager, it does not populate
the file with all the available attributes. It would be useful for debugging and admin purpose
to have all the metrics populated in the file.
> For eg: MRAppMaster metrics currently logs value only for JobsRunning even though the
total available job level metrics are JobsCompleted, JobsFailed, JobsKilled, JobsPreparing
etc

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