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
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