[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-devel] MYSQL bechmark results on XEN and NFS
> I am trying to setup mysql on XEN. I need to set it up on > NFS so I can migrate the domain when needed. I'd use GNBD rather than NFS in situations where performance matters. Also, you should be using 2.0-testing for benchmarking purposes until we push out 2.0.4, as the default kernel config had debugging turned on in 2.0.1-3. Ian > > > I am getting unexpected results and wanted to get some feedback. > > > > Here is my setup: > > > > 1. NFS server > > Dual 2.0 Ghz AMD Opteron > > 2GB of RAM > > Broadcom GB NIC > > Standard Fedora Core 3 (FC3) > > Mysql w/tpc-c medium databases on the NFS share > > XenU filesystem on the NFS share > > > > 2. Xen machine > > Dual 2.0 Ghz AMD Opteron > > 2GB of RAM > > Broadcom GB NIC > > FC3 w/XEN kernel patch > > Dom0 = 512MB RAM > > DomU = 512MB RAM > > > > 3. TPC-C client > > PIII 2.0 Ghz > > 512 MB RAM > > Standard Fedora Core 2 > > TCP-C client > > > > Results using the tpc-c benchmark: > > Baseline ~3300 new-ops per second > > Machine 2 booted to the standard FC3 > > Xen0 ~ 1700 new-ops per second > > Machine 2 booted to Xen kernel with 512MB of RAM > > XenU ~500 new ops per second > > Machine 2 booted to Xen kernel with 512MB of RAM > > DomU booted from NFS share with 512MB of RAM > > > > Am I missing something here or is that much degradation > expected when booting a virtual machine over NFS. > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection around > http://mail.yahoo.com > ------------------------------------------------------- This SF.Net email is sponsored by: IntelliVIEW -- Interactive Reporting Tool for open source databases. Create drag-&-drop reports. Save time by over 75%! Publish reports on the web. Export to DOC, XLS, RTF, etc. Download a FREE copy at http://www.intelliview.com/go/osdn_nl _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/xen-devel
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