CentOS - Sep 2017 - Notice: Check your tuned settings for a performance boost.

On 09/21/2017 07:02 PM, Fred Smith wrote:
> On Thu, Sep 21, 2017 at 11:45:12AM -0700, Jim Perrin wrote:
>> Last week we noticed that the default scheduler isn't being set
properly
>> in CentOS 7. I haven't checked this for CentOS 6, but it might be
worth
>> exploring.
>>
>> The TL;DR is unless you're running CentOS 7 on a laptop or as a
virtual
>> guest, you should probably run 'tuned-adm profile
throughput-performance'
>>
>> I wrote up the full details here ->
>> http://jperrin.org/centos/boosting-centos-server-performance/
> 
> Cool. thanks!
> 
> I have noticed (without being quite sure what to do about it) that
> my Centos 7 desktop (six core AMD Vishera) seems sluggish at times,
> when there doesn't seem to be much running that should be a system
> hog. I'll see if this change  helps resolve that.
> 
> Does running the command shown there make a permanent change, i.e.,
> one that survives reboot?
> 
> 
Yes. This command will drop an 'active-profile' file in /etc/tuned that
will be used and survive reboots, kernel updates, etc.


-- 
Jim Perrin
The CentOS Project | http://www.centos.org
twitter: @BitIntegrity | GPG Key: FA09AD77

On Fri, 22 Sep 2017 09:04:58 -0700
Jim Perrin wrote:
> Yes. This command will drop an 'active-profile' file in /etc/tuned
that
> will be used and survive reboots, kernel updates, etc.
[root at mutt frankcox]# tuned-adm active
Current active profile: virtual-guest

???

This is my main desktop computer and it isn't any kind of a virtual system. 
I do run VirtualBox on it occasionally, though.

What could have happened here?

-- 
MELVILLE THEATRE ~ Real D 3D Digital Cinema ~ www.melvilletheatre.com

On Fri, Sep 22, 2017 at 12:05 PM, Frank Cox <theatre at sasktel.net>
wrote:
> On Fri, 22 Sep 2017 09:04:58 -0700
> Jim Perrin wrote:
>
> > Yes. This command will drop an 'active-profile' file in
/etc/tuned that
> > will be used and survive reboots, kernel updates, etc.
>
> [root at mutt frankcox]# tuned-adm active
> Current active profile: virtual-guest
>
> ???
>
> This is my main desktop computer and it isn't any kind of a virtual
> system.  I do run VirtualBox on it occasionally, though.
>
> What could have happened here?
>
Does virt-what give you any output?