On Wed, Jun 11, 2008 at 12:31 PM, henry ritzlmayr <centos@xxxxxx> wrote:
Am Mittwoch, den 11.06.2008, 10:06 -0700 schrieb MHR:
> On Wed, Jun 11, 2008 at 8:36 AM, Ruslan Sivak <russ@xxxxxxxxxx> wrote:I evaluated VMware Server myself (v1.0.3) and at that time, Disk I/O was
> >
> > I guess it has something to do with the ballooning driver for Dom0. It
> > looks like I just tried to allocation too much memory to DomU and the box
> > went down hard. I think there's a setting in xen to the min amount of
> > memory to go down to, but I'm not sure why Dom0 is using 600mb of RAM. Is
> > there a mini installation of CentOS that I can do that would use less RAM?
> > I've already unchecked all the boxes when installing CentOS. I would like
> > Dom0 to be as small as possible, both due to RAM usage and from a security
> > perspective.
>
> I've not familiarized myself with xen yet, but have you considered
> VMware Server? I haven't had any serious problems with it, and none
> at all since v1.0.5 came out (1.0.6 is the current one). Works
> nicely, stays within its memory allocation, and top et al work as
> you'd expect them to.
>
> HTH
>
> mhr
pretty bad within a virtual machine. The only solution I found was XEN
with paravirtualization. Has there been any progress on that with later
releases?
For example:
dd if=/dev/md5 of=/dev/null bs=1M count=1000 on bare metal gave 272 MB/s
same within VMware gave only 47,9 MB/s
I know that dd is not a benchmark - but for measuring sequential reads
within a system its fair enough for me.
Henry
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Does anyone has tested Openvz?
I see many hosting providers using Openvz with CentOS, but haven't had the time to tried out yet, I know it's not paravirtualization but maybe someone has been able to use it sucessfully?
I have the same issue with RHEL 5.2, just showing 4Gigs of my 6Gigs box.
Cheers,
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