まったく当てにならないSSD書き込み性能測定結果
駄文です。
Intel 510 買って組み込んだは良いものの、IO性能まったく測ってなかったので今更ながら流してみましたというだけ。
ESXi に組み込んじゃっているのでゲストOS上、しかもSolaris10からのIO発生です。
これでMySQLとかなら、まだ何かしら意味があるかもしれませんがもうほんとにただ書いただけ。
IOPSで15000くらい出たのが見えて自己満足しましたw
ツールは、vdbenchでこんな設定。
fsd=fsd1,anchor=/var/tmp/write,depth=2,width=2,files=5,size=100M fwd=fwd1,fsd=fsd1,operation=write,xfersize=8k,fileio=random,fileselect=random,threads=25 rd=rd1,fwd=fwd1,fwdrate=max,format=yes,elapsed=600,interval=3,openflags=o_dsync
■vdbench
bash-3.00# ./vdbench -f write.conf Vdbench distribution: vdbench502 For documentation, see 'vdbench.pdf'. 17:45:31.756 input argument scanned: '-fwrite.conf' 17:45:31.812 anchor=/var/tmp/write: there will be 6 directories and a maximum of 20 files under this anchor. 17:45:31.814 Estimated maximum size for this anchor: 1.953g 17:45:31.814 17:45:31.852 Starting slave: /var/tmp/iotool/vdbench SlaveJvm -m localhost -n localhost-10-120715-17.45.31.720 -l localhost-0 -p 5570 17:45:32.239 All slaves are now connected 17:45:34.001 Starting RD=format_for_rd1 17:45:34.085 localhost-0: anchor=/var/tmp/write deleted 20 files; 5000/sec 17:45:34.085 localhost-0: anchor=/var/tmp/write deleted 6 directories; 1500/sec 17:45:34.087 localhost-0: anchor=/var/tmp/write mkdir complete. Jul 15, 2012 .Interval. .ReqstdOps.. ...cpu%... ....read.... ...write.... ..mb/sec... mb/sec .xfer. ...mkdir... ...rmdir... ..create... ...open.... ...close... ..delete... ..getattr.. ..setattr.. rate resp total sys rate resp rate resp read write total size rate resp rate resp rate resp rate resp rate resp rate resp rate resp rate resp 17:45:37.116 1 904.0 5.62 48.1 30.6 0.0 0.00 904.0 5.62 0.00 56.50 56.50 65536 2.0 0.08 2.0 0.09 0.0 0.00 2.7 1.38 0.0 0.00 6.7 0.03 0.0 0.00 0.0 0.00 17:45:40.031 2 1330.7 5.99 43.7 41.6 0.0 0.00 1330.7 5.99 0.00 83.17 83.17 65536 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 17:45:43.037 3 1349.3 5.94 43.2 42.2 0.0 0.00 1349.3 5.94 0.00 84.33 84.33 65536 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 17:45:46.030 4 1336.0 5.98 43.5 42.3 0.0 0.00 1336.0 5.98 0.00 83.50 83.50 65536 0.0 0.00 0.0 0.00 2.7 9481 2.7 0.12 2.7 0.17 0.0 0.00 0.0 0.00 0.0 0.00 17:45:49.037 5 1317.3 6.07 41.2 40.5 0.0 0.00 1317.3 6.07 0.00 82.33 82.33 65536 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 17:45:52.032 6 1448.0 5.52 45.3 44.3 0.0 0.00 1448.0 5.52 0.00 90.50 90.50 65536 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 17:45:55.020 7 1080.0 5.98 50.8 33.5 0.0 0.00 1080.0 5.98 0.00 67.50 67.50 65536 0.0 0.00 0.0 0.00 2.7 9282 1.3 0.08 2.7 0.01 0.0 0.00 0.0 0.00 0.0 0.00 17:45:58.023 8 577.3 6.93 61.5 17.8 0.0 0.00 577.3 6.93 0.00 36.08 36.08 65536 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 17:46:01.017 9 588.0 6.80 61.7 18.3 0.0 0.00 588.0 6.80 0.00 36.75 36.75 65536 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 17:46:04.017 10 608.0 6.57 61.9 18.7 0.0 0.00 608.0 6.57 0.00 38.00 38.00 65536 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 17:46:04.645 localhost-0: anchor=/var/tmp/write create complete. 17:46:06.021 11 128.0 6.76 45.5 6.25 0.0 0.00 128.0 6.76 0.00 8.00 8.00 65536 0.0 0.00 0.0 0.00 1.3 10794 0.0 0.00 1.3 0.02 0.0 0.00 0.0 0.00 0.0 0.00 17:46:06.027 avg_2-11 976.3 6.07 50.0 31.4 0.0 0.00 976.3 6.07 0.00 61.02 61.02 65536 0.0 0.00 0.0 0.00 0.7 9664 0.4 0.10 0.7 0.07 0.0 0.00 0.0 0.00 0.0 0.00 17:46:06.167 17:46:06.167 Miscellaneous statistics: 17:46:06.167 (These statistics do not include activity between the last reported interval and shutdown.) 17:46:06.167 FILE_CREATES Files created: 20 0/sec 17:46:06.167 DIRECTORY_CREATES Directories created: 6 0/sec 17:46:06.167 FILE_DELETES Files deleted: 20 0/sec 17:46:06.167 DIRECTORY_DELETES Directories deletes: 6 0/sec 17:46:06.168 WRITE_OPENS Files opened for write activity: 20 0/sec 17:46:06.168 DIR_EXISTS Directory may not exist (yet): 1 0/sec 17:46:06.168 FILE_CLOSES Close requests: 20 0/sec 17:46:06.168 17:46:08.000 Starting RD=rd1; elapsed=600; fwdrate=max. For loops: None Jul 15, 2012 .Interval. .ReqstdOps.. ...cpu%... ....read.... ...write.... ..mb/sec... mb/sec .xfer. ...mkdir... ...rmdir... ..create... ...open.... ...close... ..delete... ..getattr.. ..setattr.. rate resp total sys rate resp rate resp read write total size rate resp rate resp rate resp rate resp rate resp rate resp rate resp rate resp 17:46:11.021 1 15809 1.23 28.0 21.2 0.0 0.00 15809 1.23 0.00 123.5 123.51 8192 0.0 0.00 0.0 0.00 0.0 0.00 6.7 0.02 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 17:46:14.016 2 16033 1.24 26.4 20.2 0.0 0.00 16033 1.24 0.00 125.2 125.26 8192 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 17:46:17.018 3 15755 1.27 25.7 19.9 0.0 0.00 15755 1.27 0.00 123.0 123.09 8191 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 17:46:20.018 4 15832 1.26 25.8 20.0 0.0 0.00 15832 1.26 0.00 123.6 123.68 8191 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 17:46:23.019 5 15796 1.26 25.5 20.0 0.0 0.00 15796 1.26 0.00 123.4 123.40 8191 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 17:46:26.017 6 15805 1.25 26.8 20.6 0.0 0.00 15805 1.25 0.00 123.4 123.48 8192 0.0 0.00 0.0 0.00 0.0 0.00 6.7 0.02 6.7 0.01 0.0 0.00 0.0 0.00 0.0 0.00 17:46:29.020 7 15975 1.25 26.7 20.5 0.0 0.00 15975 1.25 0.00 124.8 124.81 8192 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 0.0 0.00 (中略) 17:55:59.018 197 15832 1.26 28.3 21.6 0.0 0.00 15832 1.26 0.00 123.6 123.69 8192 0.0 0.00 0.0 0.00 0.0 0.00 0.3 0.03 0.3 0.01 0.0 0.00 0.0 0.00 0.0 0.00 17:56:02.019 198 15953 1.24 29.8 22.8 0.0 0.00 15953 1.24 0.00 124.6 124.64 8191 0.0 0.00 0.0 0.00 0.0 0.00 1.3 0.03 1.7 0.01 0.0 0.00 0.0 0.00 0.0 0.00 17:56:05.022 199 16089 1.24 30.7 23.3 0.0 0.00 16089 1.24 0.00 125.7 125.70 8192 0.0 0.00 0.0 0.00 0.0 0.00 1.3 0.03 1.0 0.01 0.0 0.00 0.0 0.00 0.0 0.00 17:56:08.018 200 16093 1.23 29.2 22.3 0.0 0.00 16093 1.23 0.00 125.7 125.73 8192 0.0 0.00 0.0 0.00 0.0 0.00 1.7 0.03 1.7 0.01 0.0 0.00 0.0 0.00 0.0 0.00 17:56:08.021 avg_2-200 16011 1.24 28.2 21.8 0.0 0.00 16011 1.24 0.00 125.0 125.09 8191 0.0 0.00 0.0 0.00 0.0 0.00 1.2 0.03 1.2 0.01 0.0 0.00 0.0 0.00 0.0 0.00 17:56:08.273 17:56:08.274 Miscellaneous statistics: 17:56:08.274 (These statistics do not include activity between the last reported interval and shutdown.) 17:56:08.274 WRITE_OPENS Files opened for write activity: 761 1/sec 17:56:08.274 FILE_BUSY File busy: 300954 501/sec 17:56:08.274 FILE_CLOSES Close requests: 741 1/sec 17:56:08.274 17:56:08.659 Vdbench execution completed successfully. Output directory: /var/tmp/iotool/output
■iostat
Sun Jul 15 17:54:33 2012 extended device statistics r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 fd0 0.0 15664.4 0.0 125315.3 0.0 19.0 0.0 1.2 2 100 c1t0d0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c0t0d0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 vsol10:vold(pid1362) Sun Jul 15 17:54:34 2012 extended device statistics r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 fd0 0.0 16348.6 0.0 130789.2 0.0 19.1 0.0 1.2 2 100 c1t0d0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c0t0d0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 vsol10:vold(pid1362) Sun Jul 15 17:54:35 2012 extended device statistics r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 fd0 0.0 16526.7 0.0 132213.2 0.0 19.1 0.0 1.2 2 100 c1t0d0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c0t0d0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 vsol10:vold(pid1362)