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From "Rajiv Chittajallu (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7630) hadoop-metrics2.properties should have a property *.period set to a default value foe metrics
Date Tue, 27 Sep 2011 07:51:12 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7630?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13115301#comment-13115301
] 

Rajiv Chittajallu commented on HADOOP-7630:
-------------------------------------------

We are discussing an internal tool that is not yet release to public. Having said that, the
drop rate which Eric is mentioning is on the simonweb, which writes rrds to local drives.
The drives used to be SATA. There was never a drop rate on the aggregator.


60s seems to be reasonable though.   
                
> hadoop-metrics2.properties should have a property *.period set to a default value foe
metrics
> ---------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-7630
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7630
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: conf
>            Reporter: Arpit Gupta
>            Assignee: Eric Yang
>             Fix For: 0.20.205.0, 0.23.0
>
>         Attachments: HADOOP-7630-trunk.patch, HADOOP-7630.patch
>
>
> currently the hadoop-metrics2.properties file does not have a value set for *.period
> This property is useful for metrics to determine when the property will refresh. We should
set it to default of 60

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