"Agent Metric Aging" is not working correctly

Document ID : KB000095170
Last Modified Date : 15/05/2018
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Issue:
Using an EPA Agent Server, this EPA agent Server is receiving data from other servers via a wget command like this: 

wget -q -O /dev/null "http://<Address>:10080/?metricType=IntCounter&metricName=Host|SAS_M4|remoto|SAS_Publicacion|`hostname`:Segundos&metricValue=30" 

Stopping the wget cmd , there is no more data received and after restart EPA agent
the metric turn to grey color, but it never disappears. 
Environment:
APM version is 10.1.15 
Cause:
Agent metric aging is working properly. The user need to get rid of inactive metrics shown in workstation
 
Resolution:
This behavior  is addressed as an enhancement in 10.5.
As workarround :
Install a 10.5.x workstation to connect with 10.1.5 EM  ;
the 10.5 workstation has an option to no more display inactive metrics .