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https://issues.apache.org/jira/browse/HADOOP-10161?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14524749#comment-14524749
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Hadoop QA commented on HADOOP-10161:
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | patch | 0m 0s | The patch command could not apply
the patch during dryrun. |
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|| Subsystem || Report/Notes ||
| Patch URL |
http://issues.apache.org/jira/secure/attachment/12623559/HADOOP-10161_3_20140117.patch
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| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / f1a152c |
| Console output |
https://builds.apache.org/job/PreCommit-HADOOP-Build/6320/console |
This message was automatically generated.
> Add a method to change the default value of dmax in hadoop.properties
> ---------------------------------------------------------------------
>
> Key: HADOOP-10161
> URL: https://issues.apache.org/jira/browse/HADOOP-10161
> Project: Hadoop Common
> Issue Type: Improvement
> Components: metrics
> Reporter: Yang He
> Attachments: HADOOP-10161_3_20140117.patch
>
>
> The property of dmax in ganglia is a configurable time to rotate metrics.
> Therefore, no more value of the metric will be emit to the gmond, after
> 'dmax' seconds, then gmond will destroy the metric in memory. In Hadoop
> metrics framework, the default value of 'dmax' is 0. It means the gmond will
> never destroy the metric although the metric is disappeared. The gmetad
> daemon also does not delete the rrdtool file forever.
> We need to add a method to configure the default value of dmax for all
> metrics in hadoop.properties.
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