[CentOS] CentOS 4 vs 5 for VMware?

Akemi Yagi amyagi at gmail.com
Fri Aug 3 18:45:12 UTC 2007


On 8/3/07, Ray Van Dolson <rvandolson at esri.com> wrote:
> > Also, there is a special kernel that helps out on running VMWare that
> > changes the default speed of the system timer, reducing the LA on the
> > host system especially if your guests are mostly idle.  The kernel is
> > available for both 4 and 5.  Please look at
> > http://bugs.centos.org/view.php?id=2189 for more info.
>
> Very interesting.  Wasn't aware of that.  Thanks for posting.  Have you
> noticed tangible differences when running stock vs the kernels
> mentioned there?
>
> Ray

In my case, the default kernel (1000Hz) produces "many lost ticks"
messages.  So far this has not been seen on VM guests running the
100Hz kernel (both i686 and x86_64).  There seems to be performance
improvement also.

Akemi



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