On Tue, Sep 28, 2010 at 3:22 PM, Andriy Gapon <[email protected]> wrote: > BTW, have you seen my posts about UMA and ZFS on hackers@ ? > I found it advantageous to use UMA for ZFS I/O buffers, but only after > reducing > size of per-CPU caches for the zones with large-sized items. > I further modified the code in my local tree to completely disable per-CPU > caches for items > 32KB.
Do you have updated patch disabling per-cpu caches for large items? I've just rebuilt FreeBSD-8 with your uma-2.diff (it needed r209050 from -head to compile) and so far things look good. I'll re-enable UMA for ZFS and see how it flies in a couple of days. --Artem _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[email protected]"
