On Mon, 15 Dec 2008, Ahmed Kamal wrote: > > RandomWrite-8k: 0.9M/s > SingleStreamWriteDirect1m: 5.8M/s (??) > MultiStreamWrite1m: 33M/s > MultiStreamWriteDirect1m: 11M/s > > Obviously, there's a major hit. Can someone please shed some light as to why > this is happening ? If more info is required, I'd be happy to test some more > ... This is all running on osol 2008.11 release.
What blocksize did you specify when creating the zvol? Perhaps UFS will perform best if the zvol blocksize is similar to the UFS blocksize. For example, try testing with a zvol blocksize of 8k. Bob ====================================== Bob Friesenhahn bfrie...@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/ GraphicsMagick Maintainer, http://www.GraphicsMagick.org/ _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
