first time user with out of memory question

[dormando]

> rusage_user:5221530
> rusage_system:23429010
> 
> They are counters. But how do you count user and system resource usage? 
> If the user value changes from 100 to 103 in 10 seconds, and the system 
> value from 1000 to 1024 in the same 10 seconds... what does that mean?
> 
> -- 
> timeless
> 

Those're CPU seconds of usage (per core in the box). Divide them by the 
uptime to get the average % of CPU used since it was started. Remember 
that this number will be very different from what you will actually be 
seeing during peak/low hours.

-Dormando