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Should CPU usage be high or low?
How Much CPU Usage is Normal? Normal CPU usage is 2-4% at idle, 10% to 30% when playing less demanding games, up to 70% for more demanding ones, and up to 100% for rendering work. When watching YouTube it should be around 5% up to 15% (total), depending on your CPU, browser and video quality.
Is it OK to run CPU at 100c?
intel CPUs have a built in thermal (temp) limiter, so if it hits that max temp for your CPU it will throttle the load back to let the temps drop some – so it will be safe, but you have to decide for yourself.
What does full load mean CPU?
CPU load is the number of processes which are being executed by CPU or waiting to be executed by CPU. So CPU load average is the average number of processes being or waiting executed over past 1, 5 and 15 minutes. So the number shown above means: load average over the last 15 minute is 2.41.
Why is high load average, low CPU usage?
The calls are quick but plenty and serialized, hence the low CPU usage (mostly waiting for I/O), the high load average (many calls waiting to be processed) and especially the long response times (by accumulation of small response times). Thanks for your insight on this problem!
Is there such a thing as high loadavg in Linux?
In Linux (high) loadavg has usually nothing to do with CPU%. (Almost) all the articles you see merely carry forward an old Unix mantra about loadavg. Linux defines it differently. Last edited by LittleMaster; 03-13-2013 at 09:28 AM. high load average, low cpu usage ! High load – but CPU 99% idle? High idle cpu load in 2.6.4? All times are GMT -5.
What can I do about high idle CPU?
Perhaps you could tune your system to use more “idle” RAM to cache the tables being accessed, or use a larger RAID array for the data base so the access could be distributed over many different disk drives. Have you considered high efficiency disk drive replacements? (e.g., RAM disks, bubble memory drives, etc.)
Why does CentOS have a high load average?
So you can see that it has lots of idle cpu, 0.0%wa, but a very high load average. As a further side note, this also seems to imply that (at least in this case–running CentOS) the load average includes each thread separately in the total.