Real Time CPU at 40%, 24 hr CPU peaks at 15%

April 28, 2015 846 views
Server Optimization Monitoring Linux Basics Ubuntu

I don't understand the differences I'm seeing between the Real Time CPU graph and the 24 hour CPU graph?

Here's the 24 hour, which shows my CPU (almost) never going above 15 percent:

And here is the Real Time graph, which shows peaks of 40% CPU usage every 15 min.

I ran the "Top" command in Bash and I'm not seeing anything like 40% CPU.

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