[ https://issues.apache.org/jira/browse/HADOOP-10161?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yang He updated HADOOP-10161: ----------------------------- Affects Version/s: 2.2.0 > 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: fs > Affects Versions: 2.2.0 > Reporter: Yang He > Priority: Minor > 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' times ,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)