On Tue, 2007-08-07 at 17:54 -0400, Johnn Tan wrote:
> I'm thinking it's either the kernel version or, like the
> user states, maybe it's something with HyperThreading.
Hyperthreading is off on the machines where this occurs. Since the
problem seems to occur handline timer interrupts, this could b
Daniel de Kok wrote:
On Mon, 2007-08-06 at 16:54 -0400, Johnn Tan wrote:
What error messages are you seeing? On one of my machines, I
have four domU's (kernel 2.6.18-8.1.8.el5xen), each with 4
VCPUs. I don't see any errors in any of the domU's dmesg.
But /proc/cpuinfo shows they are each using
On Mon, 2007-08-06 at 16:54 -0400, Johnn Tan wrote:
> What error messages are you seeing? On one of my machines, I
> have four domU's (kernel 2.6.18-8.1.8.el5xen), each with 4
> VCPUs. I don't see any errors in any of the domU's dmesg.
> But /proc/cpuinfo shows they are each using all 4 CPUs.
S
Daniel de Kok wrote:
On Mon, 2007-08-06 at 14:55 -0400, Johnn Tan wrote:
Assigning all the VCPUs.
Having more than one vcpu currently emits non-fatal error messages, at
least with the C5 domU kernel. I didn't have time to look into that yet.
What error messages are you seeing? On one of my m
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Johnn Tan
> Sent: Monday, August 06, 2007 3:52 PM
> To: CentOS mailing list
> Subject: Re: [CentOS] "near native" performance with xen?
>
> Ross S. W. Walker wrot
On Mon, 2007-08-06 at 14:55 -0400, Johnn Tan wrote:
> Assigning all the VCPUs.
Having more than one vcpu currently emits non-fatal error messages, at
least with the C5 domU kernel. I didn't have time to look into that yet.
Though, it's probably useful for threaded applications if it works. Note
th
Ross S. W. Walker wrote:
Of course you need physical volumes but look for a storage
solution that will also run as direct to disk as possible,
maybe something based on the newer SATA/SAS where the RAID
logic is built into the enclosure and a plain SATA/SAS
card is in the server which can be activ
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Johnn Tan
> Sent: Monday, August 06, 2007 2:56 PM
> To: CentOS mailing list
> Subject: [CentOS] "near native" performance with xen?
>
> Just wondering if t
Just wondering if there was a howto or other URL that
explains what is needed to achieve "near native" performance
on a xen domU -- for this purpose, I am thinking about a
single domU running on a physical server, in comparison to
that same physical server running the same kernel but
non-xenif
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