What are the specs on the client? On Aug 18, 2011 10:28 AM, "Thomas Nau" <thomas....@uni-ulm.de> wrote: > Dear all. > We finally got all the parts for our new fileserver following several > recommendations we got over this list. We use > > Dell R715, 96GB RAM, dual 8-core Opterons > 1 10GE Intel dual-port NIC > 2 LSI 9205-8e SAS controllers > 2 DataON DNS-1600 JBOD chassis > 46 Seagate constellation SAS drives > 2 STEC ZEUS RAM > > > The base zpool config utilizes 42 drives plus the STECs as mirrored > log devices. The Seagates are setup as a stripe of 7 times 6-drive-RAIDZ2 > junks plus as said a dedicated ZIL made of the mirrored STECs. > > As a quick'n dirty check we ran "filebench" with the "fileserver" > workload. Running locally we get > > statfile1 5476ops/s 0.0mb/s 0.6ms/op 179us/op-cpu > deletefile1 5476ops/s 0.0mb/s 1.0ms/op 454us/op-cpu > closefile3 5476ops/s 0.0mb/s 0.0ms/op 5us/op-cpu > readfile1 5476ops/s 729.5mb/s 0.2ms/op 128us/op-cpu > openfile2 5477ops/s 0.0mb/s 0.8ms/op 204us/op-cpu > closefile2 5477ops/s 0.0mb/s 0.0ms/op 5us/op-cpu > appendfilerand1 5477ops/s 42.8mb/s 0.3ms/op 184us/op-cpu > openfile1 5477ops/s 0.0mb/s 0.9ms/op 209us/op-cpu > closefile1 5477ops/s 0.0mb/s 0.0ms/op 6us/op-cpu > wrtfile1 5477ops/s 688.4mb/s 0.4ms/op 220us/op-cpu > createfile1 5477ops/s 0.0mb/s 2.7ms/op 1068us/op-cpu > > > > with a single remote client (similar Dell System) using NFS > > statfile1 90ops/s 0.0mb/s 27.6ms/op 145us/op-cpu > deletefile1 90ops/s 0.0mb/s 64.5ms/op 401us/op-cpu > closefile3 90ops/s 0.0mb/s 25.8ms/op 40us/op-cpu > readfile1 90ops/s 11.4mb/s 3.1ms/op 363us/op-cpu > openfile2 90ops/s 0.0mb/s 66.0ms/op 263us/op-cpu > closefile2 90ops/s 0.0mb/s 22.6ms/op 124us/op-cpu > appendfilerand1 90ops/s 0.7mb/s 0.5ms/op 101us/op-cpu > openfile1 90ops/s 0.0mb/s 72.6ms/op 269us/op-cpu > closefile1 90ops/s 0.0mb/s 43.6ms/op 189us/op-cpu > wrtfile1 90ops/s 11.2mb/s 0.2ms/op 211us/op-cpu > createfile1 90ops/s 0.0mb/s 226.5ms/op 709us/op-cpu > > > > the same remote client with zpool sync disabled on the server > > statfile1 479ops/s 0.0mb/s 6.2ms/op 130us/op-cpu > deletefile1 479ops/s 0.0mb/s 13.0ms/op 351us/op-cpu > closefile3 480ops/s 0.0mb/s 3.0ms/op 37us/op-cpu > readfile1 480ops/s 62.7mb/s 0.8ms/op 174us/op-cpu > openfile2 480ops/s 0.0mb/s 14.1ms/op 235us/op-cpu > closefile2 480ops/s 0.0mb/s 6.0ms/op 123us/op-cpu > appendfilerand1 480ops/s 3.7mb/s 0.2ms/op 53us/op-cpu > openfile1 480ops/s 0.0mb/s 13.7ms/op 235us/op-cpu > closefile1 480ops/s 0.0mb/s 11.1ms/op 190us/op-cpu > wrtfile1 480ops/s 60.3mb/s 0.2ms/op 233us/op-cpu > createfile1 480ops/s 0.0mb/s 35.6ms/op 683us/op-cpu > > > Disabling ZIL is no option but I expected a much better performance > especially the ZEUS RAM only gets us a speed-up of about 1.8x > > Is this test realistic for a typical fileserver scenario or does it require many > more clients to push the limits? > > Thanks > Thomas > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
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