is 3 zfs recv's random?
On Fri, May 21, 2010 at 10:03 PM, Brandon High <bh...@freaks.com> wrote: > On Fri, May 21, 2010 at 5:54 PM, Thomas Burgess <wonsl...@gmail.com> > wrote: > > shouldn't the newer server have LESS load? > > Please forgive my ubernoobness. > > Depends on what it's doing! > > Load average is really how many process are waiting to run, so it's > not always a useful metric. If there are processes waiting on disk, > you can have high load with almost no cpu use. Check the iowait with > iostat or top. > > You've got a pretty wide stripe, which isn't going to give the best > performance, especially for random write workloads. Your old 3 vdev > config will have better random write performance. > > Check to see what's using the CPU with top or prstat. prstat gives > better info for threads, imo. > > -B > > -- > Brandon High : bh...@freaks.com >
_______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
