Messages in this thread | | | Date | Tue, 17 Jan 2006 04:50:20 -0500 (EST) | From | Justin Piszcz <> | Subject | Re: Kernel 2.6.15.1 + NFS is 4 times slower than FTP!? |
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NFS is still twice as slow as FTP, but best with a r/w size of 8192.
DEFAULT, NO OPTIONS # mount p34:/ /nfs/p34 $ /usr/bin/time cp 700mb.img /p34/x/d 0.01user 1.64system 0:34.23elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+196minor)pagefaults 0swaps
TCP, NO CACHING # mount p34:/ /nfs/p34 -o nfsvers=3,tcp,noac $ /usr/bin/time cp 700mb.img /p34/x/a 0.02user 5.25system 0:58.43elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+197minor)pagefaults 0swaps
UDP, NO CACHING # mount p34:/ /nfs/p34 -o nfsvers=3,noac $ /usr/bin/time cp 700mb.img /p34/x/b 0.02user 5.54system 1:00.34elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+196minor)pagefaults 0swaps
UDP, NO CACHING (w/65535 r/w size) # mount p34:/ /nfs/p34 -o nfsvers=3,noac,rsize=65535,wsize=65535 $ /usr/bin/time cp 700mb.img /p34/x/c 0.01user 5.75system 0:59.89elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+196minor)pagefaults 0swaps
# mount p34:/ /nfs/p34 -o nfsvers=3,rsize=8192,wsize=8192 0.04user 1.78system 0:14.16elapsed 12%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+190minor)pagefaults 0swaps
UDP, NFSV3 + (w/8192 r/w size) $ /usr/bin/time cp 700mb.img /p34/x/g 0.04user 1.78system 0:14.16elapsed 12%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+190minor)pagefaults 0swaps
TCP, NFSV3 + (w/8192 r/w size) 0.03user 1.81system 0:14.98elapsed 12%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+190minor)pagefaults 0swaps
UDP, NFSV3 + (w/16384 r/w size) # mount p34:/ /nfs/p34 -o nfsvers=3,rsize=16834,wsize=16384 $ /usr/bin/time cp 700mb.img /p34/x/e 0.03user 1.75system 0:20.20elapsed 8%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+192minor)pagefaults 0swaps
UDP, NFSV3 + (w/32768 r/w size) # mount p34:/ /nfs/p34 -o nfsvers=3,rsize=32768,wsize=32768 /usr/bin/time cp 700mb.img /p34/x/f 0.01user 1.59system 0:32.87elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+196minor)pagefaults 0swaps
On Mon, 16 Jan 2006, Phil Oester wrote:
> On Mon, Jan 16, 2006 at 08:07:02PM -0500, Justin Piszcz wrote: >> I suppose I should try NFS with TCP, yes? > > Precisely. > > Phil > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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