http://communities.vmware.com/blogs/ToddMuirhead Some Stuff on Enterprise Virtualization from DellTechCenter Thu, 17 Apr 2008 15:54:40 GMT Clearspace 1.10.12 (http://jivesoftware.com/products/clearspace/) 2008-04-17T15:54:40Z http://communities.vmware.com/blogs/ToddMuirhead/2008/04/17/virtual-nic-performance During our regular <a class="jive-link-external" href="http://www.delltechcenter.com/page/Chat%20Topics%20and%20Transcr%20ipts">TechTuesday webchat</a>, a question came up about virtual NIC performance. The topic this week was <a class="jive-link-external" href="http://www.delltechcenter.com/page/%2Fpage%2F04%2F15%2F2008%20-%20Enterprise%20Apps%20on%20Vmware%20-%20Chat">Running Enterprise Apps on VMware</a>, and one aspect of that is performance. Hywel, who has a successful SQL Server deployment on ESX, asked - why is he only getting 250 mb/s of throughput? I found a VMware <a class="jive-link-external" href="http://blogs.vmware.com/performance/2007/05/multinic_perfor.html">blog post</a> and a <a class="jive-link-external" href="http://www.vmware.com/files/pdf/perf_comparison_virtual_network_devices_wp.pdf">whitepaper</a> that indicate it is possible to get much higher. Of course in real-world use through-put will be lower, but I would think that you could top 250 mb/s. I believe that the key to getting the best performance form a virtual NIC in VMware is to install the VMtools and use the VMxnet NIC. <br /> <br /> Todd esx sql server performance nic throughput delltechcenter techcenter Thu, 17 Apr 2008 15:54:00 GMT ToddMuirhead http://communities.vmware.com/blogs/ToddMuirhead/2008/04/17/virtual-nic-performance 2008-04-17T15:54:00Z 8 months, 3 weeks ago http://communities.vmware.com/blogs/ToddMuirhead/comment/virtual-nic-performance http://communities.vmware.com/blogs/ToddMuirhead/feeds/comments?blogPostID=1674