[B! server][performance] yoheiã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

yohei id:yohei

serverã¨performanceã«é–¢ã™ã‚‹yoheiã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (4)

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ã‚´ãƒ¼ãƒ« è² è·åˆ†æ•£ã®ã„ãã¤ã‹ã®æ–¹æ³•ã«é–¢ã—ã¦ç†è§£ã™ã‚‹ mod_proxy_balancerã«ã‚ˆã‚‹è² è·åˆ†æ•£ã‚¯ãƒ©ã‚¹ã‚¿ãŒæ§‹ç¯‰ã§ãã‚‹ åŸºç¤ŽçŸ¥è˜ç·¨ åŸºæœ¬çš„ãªè³‡æ–™ ä¸»ã«ã‚¯ãƒ©ã‚¹ã‚¿ã«ã‚ˆã‚‹è² è·åˆ†æ•£ã®è³‡æ–™ã€‚ - Apache ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ« mod_proxy_balancer - mod_proxy_balancerã§ä¸?å¤§è¦æ¨¡ã‚µãƒ¼ãƒãƒ¼é‹ç”¨ã™ã‚‹ã¨ãã®å‹˜æ‰€ - cyano ã‚ã¨ç¤¾å¤–ç§˜è³‡æ–™ã€‚ è² è·åˆ†æ•£ï¼Ÿ è¤‡æ•°å°ã®ã‚µãƒ¼ãƒã«ã‚¢ã‚¯ã‚»ã‚¹ã‚’åˆ†æ•£ã—ã¦ã€å€‹ã€…ã®ã‚µãƒ¼ãƒã«ã‹ã‹ã‚‹è² è·ã‚’æ¸›ã‚‰ã—ã€å…¨ä½“çš„ã«å‡¦ç†ã§ãã‚‹ã‚¢ã‚¯ã‚»ã‚¹ã‚’å¢—ã‚„ã™ã“ã¨ã€‚ ä»¥ä¸‹ã®ã‚ˆã†ãªã‚¢ãƒ—ãƒãƒ¼ãƒãŒã‚ã‚‹ã€‚ DNSãƒ©ã‚¦ãƒ³ãƒ‰ãƒãƒ“ãƒ³ DNSã§ã²ã¨ã¤ã®ãƒ›ã‚¹ãƒˆåã«è¤‡æ•°ã®IPã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’å‰²ã‚Šå½“ã¦ã‚‹æ–¹æ³• ã‚·ãƒ³ãƒ—ãƒ« ã—ã‹ã—ãƒ€ã‚¦ãƒ³ã—ã¦ã„ã‚‹ãƒ›ã‚¹ãƒˆã«ã‚‚ã‚¢ã‚¯ã‚»ã‚¹ãŒæŒ¯ã‚Šåˆ†ã‘ã•ã‚Œã¦ã—ã¾ã† å†—é•·åŒ–ã¨ä½µç”¨ã§ãªã‚“ã¨ã‹ãªã‚‹ã‹ãªï¼Ÿ æ©Ÿèƒ½ã”ã¨ã«ãƒ›ã‚¹ãƒˆã‚’åˆ†å‰² ã‚¦ã‚§ãƒ–ã‚µãƒ¼ãƒã¨DBã‚µãƒ¼ãƒã®åˆ†å‰²ï¼ˆåŸºæœ¬éŽãŽã‚‹ãŒä¸€å¿œã“ã‚Œã‚‚è² è·åˆ†æ•£ï¼‰
yohei 2007/08/28
server

performance

apache
ãƒªãƒ³ã‚¯
Scaling Twitter Â» SlideShare
Scaling Twitter - Slides for a talk presented at the SDForum Silicon Valley Ruby Conference 2007 on Twitter's challenges scaling Rails.Read less
yohei 2007/05/03
architecture

performance

web

server

rails

databases
ãƒªãƒ³ã‚¯
TheC10kProblem - ã€ŒC10Kå•é¡Œã€ï¼ˆã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆ1ä¸‡å°å•é¡Œï¼‰ã¨ã¯ã€ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ã®æ€§èƒ½ä¸Šã¯å•é¡ŒãŒãªãã¦ã‚‚ã€ã‚ã¾ã‚Šã«ã‚‚ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã®æ•°ãŒå¤šããªã‚‹ã¨ã‚µãƒ¼ãƒãŒãƒ‘ãƒ³ã‚¯ã™ã‚‹å•é¡Œã®ã“ã¨
TheC10kProbl em - ã€ŒC10Kå•é¡Œã€ï¼ˆã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆ1ä¸‡å°å•é¡Œï¼‰ã¨ã¯ã€ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ã®æ€§èƒ½ä¸Šã¯å•é¡ŒãŒãªãã¦ã‚‚ã€ã‚ã¾ã‚Šã«ã‚‚ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã®æ•°ãŒå¤šããªã‚‹ã¨ã‚µãƒ¼ãƒãŒãƒ‘ãƒ³ã‚¯ã™ã‚‹å•é¡Œã®ã“ã¨ ç›®æ¬¡ ã“ã®æ–‡æ›¸ã«ã¤ã„ã¦ C10K å•é¡Œ é–¢é€£ã‚µã‚¤ãƒˆ ã¾ãšèªã‚€ã¹ãæœ¬ I/O ãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ I/O æˆ¦ç•¥ 1. å„ã‚¹ãƒ¬ãƒƒãƒ‰ãŒè¤‡æ•°ã®ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã‚’å—ã‘ä»˜ã‘ã‚‹. ãã—ã¦ãƒŽãƒ³ãƒ–ãƒãƒƒã‚ãƒ³ã‚° I/O ã¨ ãƒ¬ãƒ™ãƒ«ãƒ»ãƒˆãƒªã‚¬åž‹ã®å®Œäº†é€šçŸ¥ã‚’åˆ©ç”¨ã™ã‚‹. ä¼çµ±çš„ãª select() ä¼çµ±çš„ãª poll() /dev/poll kqueue() 2. å„ã‚¹ãƒ¬ãƒƒãƒ‰ãŒè¤‡æ•°ã®ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã‚’å—ã‘ä»˜ã‘ã‚‹. ãã—ã¦ãƒŽãƒ³ãƒ–ãƒãƒƒã‚ãƒ³ã‚° I/O ã¨ å¤‰æ›´åž‹ã®å®Œäº†é€šçŸ¥(readiness change notification)ã‚’åˆ©ç”¨ã™ã‚‹. kqueue() epoll ãƒªã‚¢ãƒ«ã‚¿ã‚¤ãƒ ãƒ»ã‚·ã‚°ãƒŠãƒ« fd å˜ä½ã®ã‚·ã‚°ãƒŠãƒ« (Signal-per-fd)
yohei 2007/03/14
comet

performance

server
ãƒªãƒ³ã‚¯
DSASé–‹ç™ºè€…ã®éƒ¨å±‹:GREEã•ã‚“ã®å‹‰å¼·ä¼šã®è³‡æ–™ã‚’å…¬é–‹ã—ã¾ã—ãŸ
å…ˆæ—¥ç™ºè¡¨ã—ã¦ããŸã€ã‚°ãƒªãƒ¼ã•ã‚“ã® ç¬¬9å›ž ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ãƒ†ã‚¯ãƒŽãƒã‚¸ãƒ¼å‹‰å¼·ä¼š ã€ŽDSASã®ã„ã‚ã„ã‚ã€ã®ç™ºè¡¨è³‡æ–™ã¨éŸ³å£°ã‚’å…¬é–‹ã—ã¾ã—ãŸã€‚ ç™ºè¡¨è³‡æ–™ (PDF, 2,294 KB) éŸ³å£° (mp3, 32,151 KB) ç™ºè¡¨ã¯ã“ã‚“ãªå†…å®¹ã§ã™ã€‚ è‡ªå·±ç´¹ä»‹ [0:22] (1) DSASã®ç‰¹å¾´ã®ç´¹ä»‹ [6:34] è¨è¨ˆæ€æƒ³ã€å…¨ä½“æ§‹æˆãªã© (2) DSASã®æ§‹æˆè¦ç´ ã®ç´¹ä»‹ [17:22] ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µ - LVS, keepalived [17:33] ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãƒ–ãƒ¼ãƒˆã®æ´»ç”¨ [30:23] æ•…éšœã«å¼·ã„ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã‚µãƒ¼ãƒ - DRBD [37:15] NICã®äºŒé‡åŒ– - bonding [44:29] ã‚·ãƒªã‚¢ãƒ«æŽ¥ç¶š æ¸©æ•…çŸ¥æ–° [46:24] ã‚µãƒ¼ãƒãƒªã‚½ãƒ¼ã‚¹ã®è¦‹ãˆã‚‹åŒ– - ganglia [49:11] è³ªç–‘å¿œç” [58:00] ç™ºè¡¨ã¯ã‹ãªã‚Šé§†ã‘è¶³ã§ã—ãŸãŒã€ ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µ (LVS, keepaliv
yohei 2007/02/26
server

linux

performance
ãƒªãƒ³ã‚¯
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