Hi Cyril,
Could you kindly open an Apache Jira with details like: - Ambari version - Number of cores - OS for the host Note: AMS supports (._avg, ._sum, ._max, ._min) as the aggregate functions for any metrics requested. We have made numerous fixes recently to AMS including new Grafana UI scheduled for 2.2.2 release. I haven't found any recent known issues for CPU charts, following are relevant ones that are known: https://issues.apache.org/jira/browse/AMBARI-12519 https://issues.apache.org/jira/browse/AMBARI-12825 https://issues.apache.org/jira/browse/AMBARI-8662 BR, Sid ________________________________ From: Cyril Scetbon <[email protected]> Sent: Saturday, April 16, 2016 7:16 PM To: [email protected] Subject: Cluster CPU widget is wrong Hi, I'm using HDP 2.4 to run Yarn applications. When I look at my current NodeManagers CPU, the consumption is low. However on Ambari interface, the default "Cluster CPU" widget displays a high CPU (91%). When I check the expression used, it uses cpu_idle._sum (see http://picpaste.com/Screen_Shot_2016-04-16_at_22.13.43-gS4XsIGb.png) which is a metric that I can't find if I try to create a new widget http://picpaste.com/Screen_Shot_2016-04-16_at_22.09.56-DJK3v4Wd.png Can it be the reason why the CPU consumption displayed is totally wrong ? Is it a known bug ? Thanks
