On 14 Feb 2010, at 19:13, Artem Belevich wrote: > Can you check if kstat.zfs.misc.arcstats.memory_throttle_count sysctl > increments during your tests? > > ZFS self-throttles writes if it thinks system is running low on > memory. Unfortunately on FreeBSD the 'free' list is a *very* > conservative indication of available memory so ZFS often starts > throttling before it's really needed. With only 2GB in the system, > that's probably what slows you down.
I tested a number of times during a 2GB write to a zfs partition and the count stayed at 0. Cheers, --Jon _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
