Hi, > Due to bad performance of high HZ in VMs, in 8-CURRENT it is > explicitly reduced to 10 if the kernel is running under any kind of > virtual environment. This is a somewhat theoretical number and > probably needs tuning.
Oh I didn't knew that. *SORRY* > If you're interested in trying it out, you can increase it by adding > "kern.hz=xxx" to /boot/loader.conf and seeing what is the actual > performance influence of high HZ under Xen. I've run on 100HZ quite some time now and did have the impression that 8-CURRENT is slow. It's even faster on copy processes as 7 under VMware on a host machine which is 3 years younger... .. Mr. Olli _______________________________________________ email@example.com mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-xen To unsubscribe, send any mail to "freebsd-xen-unsubscr...@freebsd.org"