[CentOS] Desktop lag with CentOS7/Mate and high CPU usage

mark m.roth at 5-cent.us
Wed Jul 18 19:56:12 UTC 2018

Fred Smith wrote:
> On Wed, Jul 18, 2018 at 10:40:15AM -0500, Johnny Hughes wrote:
>> 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.
> you're making a couple of assumptions here: 1. that Mate is the cause, and
>  2. Gnome 3 with the Gnome Classic add-ons is just as good and easy to
> use as is Mate. I can assure you that it isn't. It is still Gnome 3 with
> all the horribleness thereof.

I run kde. Less bloat and cuteness than gnome.


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