Yang He shared an issue with you
----------------------------------
can somebody review this ? thranks. this issue is significant for
hbase,since region metrics is invalidate when region splited;
> In the hadoop metrics framework,The default value of dmax is 0, which means
> gmond process will never delete this metirc although it is disappeared.
> ---------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-10161
> URL: https://issues.apache.org/jira/browse/HADOOP-10161
> Project: Hadoop Common
> Issue Type: Improvement
> Components: metrics
> Affects Versions: 2.2.0
> Reporter: Yang He
> Attachments: HADOOP-10161_0_20131211.patch,
> hadoop-metrics.properties, hadoop-metrics2.properties
>
>
> The property of dmax in ganglia configration is metric dead time , when one
> metrics is disappeared ,so no more value of the metric will be emtic to the
> gmond,after 'dmax' seconds,then gmond will destroy the metric in memery . in
> hadoop metrics framework ,the default value is 0,which means the gmond will
> never destroy the metric althought the metric is disappeared ,the gmetad
> daemon also does not delete the rrdtool file ,and there does not have a
> method to configure the defualt value of dmax for all metrics .
--
This message was sent by Atlassian JIRA
(v6.1.4#6159)
