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ã€CPU】 i3 530 1.86GHz ã€M/B】 DH55TC ã€é›»æºã€‘KRPW-VII-600 ã€FAN】 120mm*1 140mm*1 ã€VGA】 オンボード ã€HDD】 ADATA SSD 300, WD20EARS*5 ã€ãƒ¡ãƒ¢ãƒªã€‘ DDR3 1333 2GB*2 ã€Sound】 オンボ ã€LAN】 オンボ(82758DC) ã€OS】 FreeBSD 9.0-CURRENT ã€å…‰å¦ãƒ‰ãƒ©ã‚¤ãƒ–】ãªã—
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dd if=/dev/zero of=/dev/ada3 bs=100M count=100 100+0 records in 100+0 records out 10485760000 bytes transferred in 96.476592 secs (108687090 bytes/sec)
ã§ï¼Œé€Ÿã„ã¨ã¯è¨€ã„ãŒãŸã„ã‘ã©ï¼ŒWD20EARSã®æ¨™æº–çš„ãªæ€§èƒ½ã®æž 内．
ã“れを，普通ã«zpool createã§ZFSã®ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚’作ã£ã¦bonnie++ã—ãŸçµæžœãŒï¼Œ
Version 1.96 ------Sequential Output------ --Sequential Input- --Random- Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP hafnium.smectic_ 8G 72 99 62639 14 36662 11 213 99 77332 11 117.4 15 Latency 195ms 6076ms 6614ms 63691us 2221ms 1910ms Version 1.96 ------Sequential Create------ --------Random Create-------- hafnium.smectic_g.c -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 14451 97 +++++ +++ 15421 98 16878 96 +++++ +++ 15382 98 Latency 13895us 128us 287us 27652us 74us 388us
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FreeBSDãŒï¼ŒWD20EARSã‚’4Kセクターã ã¨èªè˜ã§ããªã„ã®ãŒæ‚ªã„*1ã®ã‹ã¨æ€ã„，
gnop create -S 4096 /dev/ada2
zpool create tank /dev/ada2.nop
ã¨ã—ã¦ï¼Œå¼·åˆ¶çš„ã«4Kセクターã¨ã—ã¦èªè˜ã•ã›ã¦ã¿ãŸã‚‰ã©ã†ãªã‚‹ã‹ã¨ã„ã†ã®ãŒæ¬¡ã§ï¼Œ
Version 1.96 ------Sequential Output------ --Sequential Input- --Random- Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP hafnium.smectic_ 8G 70 99 72083 16 43463 13 208 99 80571 10 119.8 18 Latency 389ms 5480ms 5488ms 53622us 974ms 1513ms Version 1.96 ------Sequential Create------ --------Random Create-------- hafnium.smectic_g.c -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 14731 97 +++++ +++ 15269 98 16706 97 +++++ +++ 15229 98 Latency 14175us 122us 422us 28550us 72us 420us
å°‘ã—ã¯æ”¹å–„ã•ã‚Œã‚‹ã‘ã©ï¼Œã¾ã é ãŒç—›ã„範囲．
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追記
ç†ç”±ã¯ä¸æ˜Žã ãŒï¼Œ
dd if=/dev/zero of=/dev/ada1 bs=10M count=1
zpool create tank /dev/ada1
ã¨ã—ã¦ï¼Œbonnie++ã‚’ã™ã‚‹ã¨ï¼Œ
Version 1.96 ------Sequential Output------ --Sequential Input- --Random- Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP hafnium.smectic_ 8G 74 99 70644 15 41450 12 212 99 85786 11 113.3 13 Latency 532ms 5792ms 5889ms 60440us 467ms 3403ms Version 1.96 ------Sequential Create------ --------Random Create-------- hafnium.smectic_g.c -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 14933 96 +++++ +++ 15281 98 16733 97 +++++ +++ 15272 98 Latency 14009us 126us 359us 28415us 71us 423us
ã¨ãªã£ã¦ï¼Œå¦™ã«é€Ÿããªã‚‹ï¼Žè¬Žã ．ã“ã®ç´°å·¥ã‚’ã—ãŸå¾Œã®2TB*5ストライプãŒ
Version 1.96 ------Sequential Output------ --Sequential Input- --Random- Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP hafnium.smectic_ 8G 76 99 178456 40 66896 20 206 97 102828 13 269.5 15 Latency 464ms 1476ms 1386ms 426ms 414ms 394ms Version 1.96 ------Sequential Create------ --------Random Create-------- hafnium.smectic_g.c -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 16585 97 +++++ +++ 15231 98 16849 97 +++++ +++ 15142 98 Latency 13857us 82us 318us 27950us 71us 416us
ã¨ï¼ŒreadãŒé…ã„ã®ã¿ã¯ãã“ãã“．2TB*5ã®raidzã ã¨ï¼Œ
Version 1.96 ------Sequential Output------ --Sequential Input- --Random- Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP hafnium.smectic_ 8G 76 99 112684 25 55420 17 212 99 113982 15 119.9 13 Latency 550ms 2732ms 2639ms 99935us 649ms 7214ms Version 1.96 ------Sequential Create------ --------Random Create-------- hafnium.smectic_g.c -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 14764 88 +++++ +++ 14268 93 16063 93 +++++ +++ 14646 93 Latency 14213us 128us 398us 28136us 102us 277us
ã¨ãªã£ã¦ï¼Œã¾ã‚é…ã„ã‘ã©ï¼Œè¨±å®¹ã—よã†ã¨ã„ã†ãƒ¬ãƒ™ãƒ«ã«è½ã¡ç€ã„ãŸã‹ã‚‰ã„ã„ã‹ãªã¨ï¼Ž
追記2
メモリを4GB->8GBã«ã—ã¦ï¼Œprefetchã‚’onã«ã—ãŸã‚‰ï¼ˆvfs.zfs.prefetch_disable=0），
Version 1.96 ------Sequential Output------ --Sequential Input- --Random- Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP hafnium.smectic 16G 66 98 123519 29 95487 30 211 99 316246 38 108.6 12 Latency 318ms 6803ms 5034ms 76517us 1027ms 7856ms Version 1.96 ------Sequential Create------ --------Random Create-------- hafnium.smectic_g.c -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 12121 74 1505 4 9606 77 14837 88 +++++ +++ 9957 78 Latency 100ms 5086ms 226ms 25163us 52us 240ms 1.96,1.96,hafnium.smectic_g.com,1,1269783359,16G,,66,98,123519,29,95487,30,211,99,316246,38,108.6,12,16,,,,,12121,74,1505,4,9606,77,14837,88,+++++,+++,9957,78,318ms,6803ms,5034ms,76517us,1027ms,7856ms,100ms,5086ms,226ms,25163us,52us,240ms
ã¨ï¼Œä½•ã‹æŒ¯ã‚Šåˆ‡ã‚Œã¡ã‚ƒã£ãŸæ„Ÿã˜ï¼ŽãŸã ，latencyãŒã‹ãªãƒ¼ã‚Šæ‚ªåŒ–ã—ãŸã®ãŒãªãœã ã‹ã‚ã‹ã‚‰ãªã„ã‘ã©ï¼Ž
*1:ã¨ã„ã†ã‹ï¼Œã©ã‚“ãªOSã§ã‚‚ディスクãŒ512Bセクターã§ã™ã¨è¨€ã„å¼µã£ã¦ã„ã‚‹ã‚‚ã®ã‚’4Kセクターã ã¨çœ‹ç ´ã™ã‚‹ã“ã¨ãªã‚“ã¦å‡ºæ¥ã‚„ã—ãªã„ã‚ã‘ã§
