> -----Original Message----- > From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] > On Behalf Of an...@ssl.serc.iisc.in > Sent: Thursday, June 13, 2013 9:18 PM > To: kvm@vger.kernel.org > Subject: Bottleneck in KVM > > Hello All > > I am relatively new to kvm. > I have installed a web-server in kvm machine and pushing different request > rates on kvm through httperf. While on a bare host , i can go till 6000 > request rates per second, the performance in kvm does not increase > beyond > 3500 request rates, i have checked CPU usage, for the different modules > and no module is getting exhausted in CPU. Enough CPUin VM remains idle > in > this case. > I doubt whether i am exhausting on some buffer. Please provide details > what could be the problem and bottlleneck in this case. > If your application is CPU intensive, I think it's easy to achieve > 90% perf in a KVM guest. 1. what's your qemu command line to start the guest ? 2. how about your I/O ? Is your service I/O intensive? 3. your hardware ?
> Thanks and Regards > Ankit Anand > > > -- > This message has been scanned for viruses and > dangerous content by MailScanner, and is > believed to be clean. > > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
