[CentOS] Desktop lag with CentOS7/Mate and high CPU usage
johnny at centos.org
Wed Jul 18 15:40:15 UTC 2018
On 07/18/2018 10:31 AM, James Pearson wrote:
> We have noticed significant desktop/UI lag on CentOS7 workstations using
> Mate when the CPU usage is high - i.e. the mouse pointer lags and moving
> windows (e.g. terminal windows) become jumpy (not smooth)
> We didn't see (or notice) this issue with CentOS6/Gnome2
> This can easily be shown by running something like 'cpuburn'
> (https://patrickmn.com/projects/cpuburn/) and moving a mate-terminal
> window around the screen
> We can make things 'better' by running CPU intensive apps via 'nice'
> (without any noticeable performance hit to the CPU intensive app) - but
> this is a rather messy way of fixing the issue
> We can also make things better by renice'ing X to a negative nice level
> However, both these approaches seem wrong to me - as I'm probably
> missing something straightforward here
> Does anyone know of any CentOS7/Mate settings that could be used to
> improve desktop/UI responsiveness with high CPU usage ?
Personally, I would just move to gnmoe3 and use the Gnome Classic desktop.
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