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