Author: Robert Hyatt
Date: 06:07:28 12/06/99
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On December 06, 1999 at 00:53:03, Eugene Nalimov wrote: >On December 05, 1999 at 21:11:36, Robert Hyatt wrote: > >[deleted] > >>That isn't exactly true. Microsoft has _definitely_ noticed it. They noticed >>it enough to run a SMP test with a terribly mis-configured linux box, so that >>they could show how much better NT performs as a file server, and a http >>server, and so forth. :) I can supply some _real_ data for anyone that is >>interested... > >Not exactly true. MS *paid* for a test, and company who tested was not able to >configure Linux properly (they asked for help in a newsgroup and Red Hat, but >got no answer; people at Red Hat after that asked "why you asked for help in a >technical department, and not in marketing?"). > A couple of issues. They asked in a newsgroup. And within 12 hours were running the test. They picked just about the _only_ SCSI controller that didn't work with SMP. Several said "use the buslogic bt958 controller, we _know_ it works in SMP perfectly." They used something else, typical. >PC Magazine labs repeated the test on a properly configured Linux (they called a >lot of Linux people for help during configuring - I doubt average business will >be get such a help; experience of the first company is more common, IMHO). >Results were much better for a Linux this time, but still worse than NT. If I >remember correctly, part of the problem was that SMP support in Linux kernel was >in (late) beta, part was lack of drivers for the latest SCSI controllers, part >was some extra locks on Apache (or Zeus?), limiting its scalability. Maybe those >problems are already fixed, but IMHO Linux is still not scalable enough when you >are talking about thousands of simutaneous clients (I worked at MS SQL Server >group for several years, and I believe I understand those issues). The problem was they misconfigured apache. Each request spawned a new thread, with _no_ throttling of any kind. Which totally swamped the machine. I can offer them access to an SMP box that will run with any NT benchmark they want to use... We did quite a bit of benchmarking NT vs Linux for NFS servers, httpd stuff (web), and so forth. Linux came out on top by a measurable amount. > >I have the exact URL in my office; if there is interest I'll post it tomorrow, >and this will be my last message in that off-topic thread. > >Eugene
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