Re: virtualization benchmark suites

project-planning-bounces(a)ovirt.org wrote on 09/22/2011 05:34:38 PM: Yes, there are several distributed benchmarks that test different aspects of virtualization performance. SPECVirt tests server consolidation. It doesn't test memory over-commitment. In fact, I don't think anyone who publishes a SPECVirt score using a configuration that over-commits memory because it hurts the score. There are other benchmark suites that test HPC cluster-style workloads running on a hypervisor. And networking performance. These are just some of the ones we use within IBM. They are very useful. If we would have had better benchmark suites to test memory usage you would have decided to include the balloon driver in RHEL 5.4 instead of relying solely upon KSM. And if we had used a good distributed transactional benchmark like DayTrader we would have known early on that small-packet network performance is relatively poor. Just a couple of examples. If a benchmarking project does happen, it would need to be a self-sustaining project under the oVirt community umbrella. That means there would need to be interest in the form of independent developer resources. And keep in mind I'm passing on customer feedback. (I happen to think its a good suggestion as well). Thanks, Mike Mike Day IBM Distinguished Engineer Chief Virtualization Architect, Open Systems Development Cell: +1 919 371-8786 | mdday(a)us.ibm.com http://code.ncultra.org