intel i7 and Hyperthreading

2008-12-19 Thread Mike Tancsa
Just got our first board to play around with and unlike in the past, having hyperthreading enabled seems to help performance At least in buildworld tests. doing a make -j4 vs -j6 make -j8 vs -j10 gives -j buildworld time% improvement over -j4 4 13:57 6 12:1113%

Re: ZFS, NFS and Network tuning

2008-12-19 Thread Paul Patterson
Hi, Well, I got some input on things: kern.ipc.somaxconn=32768 net.inet.tcp.mssdflt=1460 And for fstab rw,tcp,intr,noatime,nfsv3,-w=65536,-r=65536 I tried turning on polling with ifconfig bce0 polling, however, I didn't see it in ifconfig bce0 so I don't believe it to be active or the card do

Re: ZFS, NFS and Network tuning

2008-12-19 Thread Paul Patterson
Hello all, I guess I've got to send this as I've already had about 5 responses claiming the same thing. This is not a disk bottleneck. The ZFS partition is capable of performing at the theoretical max of the drives. The machine is performing at less than 5 MB combined. I'm assuming that th

Re: ZFS, NFS and Network tuning

2008-12-19 Thread Paul Patterson
Hi, as promised, the parameter tuning I have on the box (does anyone see anything wrong?) /boot/loader.conf kern.hz="100" vm.kmem_size_max="1536M" vm.kmem_size="1536M" vfs.zfs.prefetch_disble=1 /etc/sysctl.conf kern.ipc.maxsockbuf=16777216 kern.ipc.nmbclusters=32768 kern.ipc.somaxconn=8192 ke