I didn't have enough time to make a real stress test, I created 100 hosts running 300 VMs, all-in-one - one server running Engine, DB, VDSM Fake. I put the VMs into running state and tried migration. It was rather responsive.
The server had still enough resources.

On 30.4.2013 12:48, Liran Zelkha wrote:
Awesome. I really need this for the stress tests I'm running. How many hosts 
were you able to simulate with one web application?

----- Original Message -----
From: "Libor Spevak" <[email protected]>
To: [email protected]
Sent: Tuesday, April 30, 2013 12:50:52 PM
Subject: [Engine-devel] VDSM Fake

Hi,

let me introduce an experimental project called VDSM Fake. This is a
small Java web application simulating
selected VDSM features, but only from the Engine point of view.

The aim was to get oVirt-Engine top performance characteristics in core
features simulating hundreds of fake hosts and VMs, and in ecologic way.

More info:
http://www.ovirt.org/VDSM_Fake

Sources:
git clone git://github.com/lspevak/ovirt-vdsmfake.git
git clone git://github.com/lspevak/ovirt-restapiconf.git

Regards,
Libor

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