check_load --- divide by number of cpus?
Ugo Bellavance
ugob at lubik.ca
Fri May 9 14:36:18 CEST 2008
Terry a écrit :
> I am sitting here racking my brain on this one. Is dividing the load
> average by the number of CPUs a smart thing to do? the 'uptime'
> command on a box does not do this. So, if I have an 8 core box
> sitting with a load average of 8, its the same as a single core box
> sitting with a load average of 1? I'll see the same type of server
> response? Thoughts?
It depends. What are you running, cpu-intensive processes? Multi or
single-threaded? I/O intensive processes? If you are running mostly I/O
intensive process, don't forget that your I/O subsystem (hard drives) is
shared among all processes, no matter how many CPUs you have.
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