Performace data when running Windows VMs

2009-08-26 Thread Andrew Theurer
I recently gathered some performance data when running Windows Server 2008 VMs, and I wanted to share it here. There are 12 Windows Server2008 64-bit VMs (1 vcpu, 2 GB) running which handle the concurrent execution of 6 J2EE type benchmarks. Each benchmark needs a App VM and a Database VM. The

Re: Performace data when running Windows VMs

2009-08-26 Thread Avi Kivity
On 08/26/2009 05:57 PM, Andrew Theurer wrote: I recently gathered some performance data when running Windows Server 2008 VMs, and I wanted to share it here. There are 12 Windows Server2008 64-bit VMs (1 vcpu, 2 GB) running which handle the concurrent execution of 6 J2EE type benchmarks. Each

Re: Performace data when running Windows VMs

2009-08-26 Thread Andrew Theurer
On Wed, 2009-08-26 at 18:44 +0300, Avi Kivity wrote: On 08/26/2009 05:57 PM, Andrew Theurer wrote: I recently gathered some performance data when running Windows Server 2008 VMs, and I wanted to share it here. There are 12 Windows Server2008 64-bit VMs (1 vcpu, 2 GB) running which handle

Re: Performace data when running Windows VMs

2009-08-26 Thread Avi Kivity
On 08/26/2009 07:14 PM, Andrew Theurer wrote: On Wed, 2009-08-26 at 18:44 +0300, Avi Kivity wrote: On 08/26/2009 05:57 PM, Andrew Theurer wrote: I recently gathered some performance data when running Windows Server 2008 VMs, and I wanted to share it here. There are 12 Windows

Re: Performace data when running Windows VMs

2009-08-26 Thread Brian Jackson
On Wednesday 26 August 2009 11:14:57 am Andrew Theurer wrote: snip I/O on the host was not what I would call very high: outbound network averaged at 163 Mbit/s inbound was 8 Mbit/s, while disk read ops was 243/sec and write ops was 561/sec What was the disk bandwidth used?

Re: Performace data when running Windows VMs

2009-08-26 Thread Andrew Theurer
On Wed, 2009-08-26 at 19:26 +0300, Avi Kivity wrote: On 08/26/2009 07:14 PM, Andrew Theurer wrote: On Wed, 2009-08-26 at 18:44 +0300, Avi Kivity wrote: On 08/26/2009 05:57 PM, Andrew Theurer wrote: I recently gathered some performance data when running Windows Server 2008

Re: Performace data when running Windows VMs

2009-08-26 Thread Andrew Theurer
On Wed, 2009-08-26 at 11:27 -0500, Brian Jackson wrote: On Wednesday 26 August 2009 11:14:57 am Andrew Theurer wrote: snip I/O on the host was not what I would call very high: outbound network averaged at 163 Mbit/s inbound was 8 Mbit/s, while disk read ops was 243/sec and write

Re: Performace data when running Windows VMs

2009-08-26 Thread Avi Kivity
On 08/26/2009 08:51 PM, Andrew Theurer wrote: The stats show 'largepage = 12'. Something's wrong. There's a commit (7736d680) that's supposed to fix largepage support for kvm-87, maybe it's incomplete. How strange. /proc/meminfo showed that almost all of the pages were used: