On Wed, May 05, 2010 at 12:31:11PM -0700, Alec Istomin wrote: > > On Wednesday, May 5, 2010 at 13:27:39 -0400, Srivatsa Vaddagiri wrote: > >> My preliminary results show that single vCPU Linux VMs perform up to 10 > >> times better than 4vCPU Linux VMs (consolidated performance of 8 VMs on > >> 8 core pre-Nehalem server). I suspect that I'm missing something major > >> and look for any means that can help improve SMP VMs performance. > > > Could you provide more details of what workload was used to compare this > > performance? > > It's Dell's DVD-Store LAMP stack test suite with Medium database (about > 1 GB MySQL data) . 8x 2Gb VMs (on 16GB RAM host) with different vCPU > configuration simultaneously loaded by external web clients. Ok ..Do you have any more data on how the vCPU scalability looks like (how the throughput scales with increasing vCPUs)? - vatsa -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
