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shin-uemon 2007/10/09
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linux

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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‰
shin-uemon 2007/08/28
apache

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AWSã‚¢ãƒ‰ãƒãƒ³ã‚¹ãƒ‰ã‚³ãƒ³ã‚µãƒ«ãƒ†ã‚£ãƒ³ã‚°ãƒ‘ãƒ¼ãƒˆãƒŠãƒ¼ã®ä¸€å“¡ã¨ã—ã¦æ´»å‹•ã™ã‚‹æ ªå¼ä¼šç¤¾ã‚¹ã‚¿ã‚¤ãƒ«ã‚ºãŒã€AWSå°Žå…¥ã€ç§»è¡Œã€é–‹ç™ºã€ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ã€é‹ç”¨ä¿å®ˆãªã©ã€ã™ã¹ã¦ã®ã”ç›¸è«‡ã«ä¹—ã‚‰ã›ã¦ã„ãŸã ãã¾ã™ã€‚ AWSã‚’å°Žå…¥ã—ãŸã„ãŒä½•ã‹ã‚‰å§‹ã‚ãŸã‚‰ã„ã„ã‹ã‚ã‹ã‚‰ãªã„ æ—¢å˜ã®ãƒ™ãƒ³ãƒ€ãƒ¼ãŒæ–°æŠ€è¡“ã«å¼±ãã€è‰¯ã„ææ¡ˆãŒã‚‚ã‚‰ãˆãªã„ ã‚¯ãƒ©ã‚¦ãƒ‰ã®å°Žå…¥ã«ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ã®ä¸å®‰ãŒã‚ã‚‹ AWSã‚’ã¨ã‚Šã‚ãˆãšå°Žå…¥ã—ãŸãŒã€ã•ã‚‰ã«æ´»ç”¨ã—ã¦ã„ããŸã„ ç¤¾å†…ã«AWSã®çŸ¥è¦‹ã‚’æŒã£ã¦ã„ã‚‹äººãŒã„ãªã„ AWSãªã‚‰ã§ã¯ã®ã‚·ã‚¹ãƒ†ãƒ é–‹ç™ºã‚’è©³ã—ãçŸ¥ã‚ŠãŸã„
shin-uemon 2007/07/15
mysql

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ã‚¦ãƒŽã‚¦ãƒ©ãƒœ Unoh Labs: mod_expires ã¨ mod_rewrite ã‚’ä½¿ã£ã¦ã‚¦ã‚§ãƒ–ã‚µãƒ¼ãƒã¸ã®ã‚¢ã‚¯ã‚»ã‚¹ã‚’æ¸›ã‚‰ã™æ–¹æ³•
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shin-uemon 2007/06/27
tips

apache

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Webé«˜é€ŸåŒ– || ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°Blog: ã‚¤ãƒ³ã‚¿ãƒ¼ã‚ªãƒ•ã‚£ã‚¹
AWSã‚¢ãƒ‰ãƒãƒ³ã‚¹ãƒ‰ã‚³ãƒ³ã‚µãƒ«ãƒ†ã‚£ãƒ³ã‚°ãƒ‘ãƒ¼ãƒˆãƒŠãƒ¼ã®ä¸€å“¡ã¨ã—ã¦æ´»å‹•ã™ã‚‹æ ªå¼ä¼šç¤¾ã‚¹ã‚¿ã‚¤ãƒ«ã‚ºãŒã€AWSå°Žå…¥ã€ç§»è¡Œã€é–‹ç™ºã€ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ã€é‹ç”¨ä¿å®ˆãªã©ã€ã™ã¹ã¦ã®ã”ç›¸è«‡ã«ä¹—ã‚‰ã›ã¦ã„ãŸã ãã¾ã™ã€‚ AWSã‚’å°Žå…¥ã—ãŸã„ãŒä½•ã‹ã‚‰å§‹ã‚ãŸã‚‰ã„ã„ã‹ã‚ã‹ã‚‰ãªã„ æ—¢å˜ã®ãƒ™ãƒ³ãƒ€ãƒ¼ãŒæ–°æŠ€è¡“ã«å¼±ãã€è‰¯ã„ææ¡ˆãŒã‚‚ã‚‰ãˆãªã„ ã‚¯ãƒ©ã‚¦ãƒ‰ã®å°Žå…¥ã«ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ã®ä¸å®‰ãŒã‚ã‚‹ AWSã‚’ã¨ã‚Šã‚ãˆãšå°Žå…¥ã—ãŸãŒã€ã•ã‚‰ã«æ´»ç”¨ã—ã¦ã„ããŸã„ ç¤¾å†…ã«AWSã®çŸ¥è¦‹ã‚’æŒã£ã¦ã„ã‚‹äººãŒã„ãªã„ AWSãªã‚‰ã§ã¯ã®ã‚·ã‚¹ãƒ†ãƒ é–‹ç™ºã‚’è©³ã—ãçŸ¥ã‚ŠãŸã„
shin-uemon 2007/06/18
è² è·å¯¾ç–

ã¾ã¨ã‚

tips

ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°

apache

mysql
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ã‚µãƒ¼ãƒã‚„PCã®ãƒœãƒˆãƒ«ãƒãƒƒã‚¯ç®‡æ‰€ã®ç°¡å˜ãªè¦‹åˆ†ã‘æ–¹(Linuxç·¨)ï¼šä½é‡Žè£•ã®ã‚µãƒ¼ãƒç®¡ç†è€…æ—¥è¨˜ï¼šITpro
å‰å›žã¯Windowsã§ã®ã‚µãƒ¼ãƒã‚„PCã®ãƒœãƒˆãƒ«ãƒãƒƒã‚¯ç®‡æ‰€ã®ç°¡å˜ãªè¦‹åˆ†ã‘æ–¹ã‚’ã”ç´¹ä»‹ã•ã›ã¦ã„ãŸã ãã¾ã—ãŸãŒã€è¦æœ›ãŒã‚ã‚Šã¾ã—ãŸã®ã§ä»Šå›žã¯Linuxã®å ´åˆã‚’ã”ç´¹ä»‹ã„ãŸã—ã¾ã™ã€‚ 4ã¤ã®ä¸»è¦ãƒœãƒˆãƒ«ãƒãƒƒã‚¯è¦ç´ ã®å¾©ç¿’ã§ã™ã€‚ ã‚µãƒ¼ãƒã‚„PCã«ã¯4ã¤ã®ä¸»è¦ãƒœãƒˆãƒ«ãƒãƒƒã‚¯è¦ç´ ãŒã‚ã‚Šã¾ã™ã€‚ã“ã®ã„ãšã‚Œã‹ãŒãƒœãƒˆãƒ«ãƒãƒƒã‚¯ã¨ãªã£ãŸå ´åˆã‚·ã‚¹ãƒ†ãƒ å…¨ä½“ã®ãƒ¬ã‚¹ãƒãƒ³ã‚¹ãŒä½Žä¸‹ã—ã¾ã™ã€‚ CPUä½¿ç”¨çŽ‡ ãƒ¡ãƒ¢ãƒªä½¿ç”¨é‡ ãƒ‡ã‚£ã‚¹ã‚¯I/O TCPã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³æ•° Linuxã«ãŠã„ã¦ã¯ãƒœãƒˆãƒ«ãƒãƒƒã‚¯ç®‡æ‰€ã‚’ä»¥ä¸‹ã®ã‚ˆã†ã«è¦‹åˆ†ã‘ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ 1. CPUä½¿ç”¨çŽ‡ CPUä½¿ç”¨çŽ‡ãŒå¸¸ã«100%ã«è¿‘ã„å ´åˆã¯CPUãŒãƒœãƒˆãƒ«ãƒãƒƒã‚¯ã§ã‚ã‚‹ã“ã¨ãŒåˆ¤æ˜Žã—ã¾ã™ã€‚CPUä½¿ç”¨çŠ¶æ³ã‚’ç°¡å˜ã«èª¿ã¹ã‚‹ã«ã¯3ã¤ã®æ–¹æ³•ãŒã‚ã‚Šã¾ã™ã€‚ã€Œtopã€ã€Œwã€ã€Œvmstatã€ã‚³ãƒžãƒ³ãƒ‰ã‚’ä½¿ã†æ–¹æ³•ã§ã™ã€‚ -----------------------------------------------------
shin-uemon 2007/06/15
linux

è² è·å¯¾ç–

é‹ç”¨

tips
ãƒªãƒ³ã‚¯
mod_proxyã§è² è·åˆ†æ•£(ProxyPassReverse) - KamoLand
ã‚µãƒ¼ãƒBãŒé«˜ã‚¹ãƒšãƒƒã‚¯ãªãƒžã‚·ãƒ³ãªã®ã§ï¼Œã“ã„ã¤ã«Wikiã®å‡¦ç†ã‚’ä»»ã›ã‚‹ã“ã¨ã«ã™ã‚‹ï¼Ž ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆã‹ã‚‰å…¥ã£ã¦ããŸãƒªã‚¯ã‚¨ã‚¹ãƒˆã®ã†ã¡ï¼Œhttp://www.rensa.info/wiki/* å®›ã®ãƒªã‚¯ã‚¨ã‚¹ãƒˆã‚’ï¼ŒApacheã®mod_proxyã‚’ä½¿ã£ã¦ã‚µãƒ¼ãƒBã«è»¢é€ã™ã‚‹ï¼Ž ãã—ã¦ï¼Œã‚µãƒ¼ãƒBä¸Šã§Wikiã®é‡ã„å‡¦ç†ã‚’å®Ÿè¡Œã—ã¦ãƒ¬ã‚¹ãƒãƒ³ã‚¹(Webãƒšãƒ¼ã‚¸)ã‚’ç”Ÿæˆã—ã¦ã‚µãƒ¼ãƒAã«è¿”ã—ï¼Œ ãã‚Œã‚’ãƒ–ãƒ©ã‚¦ã‚¶ã¸è¿”ã™ã¨ã„ã†æµã‚Œã«ãªã‚‹ï¼Ž â†‘ åˆ¥æ¡ˆ (å‚è€ƒ) ãªãŠï¼Œã“ã®ã‚ˆã†ã«åˆ¥ã®ã‚µãƒ¼ãƒã¸å‡¦ç†ã‚’ä¾é ¼ã™ã‚‹ã«ã¯ï¼Œä»Šå›žä½¿ã‚ãªã‹ã£ãŸãŒä»–ã®æ–¹æ³•ã‚‚å˜åœ¨ã™ã‚‹ï¼Ž stoneãªã©ã®ãƒªãƒ”ãƒ¼ã‚¿ã‚½ãƒ•ãƒˆã‚’ä½¿ã£ã¦ï¼Œãƒªã‚¯ã‚¨ã‚¹ãƒˆã‚’è»¢é€ã™ã‚‹ã“ã¨ã‚‚å¯èƒ½ã§ã‚ã‚‹ï¼Ž å…·ä½“çš„ã«ã¯ï¼Œ ã‚µãƒ¼ãƒAã®Apacheã§mod_rewriteã‚’ä½¿ã£ã¦ï¼Œhttp://www.rensa.info/wiki/ ã¸ã®ãƒªã‚¯ã‚¨ã‚¹ãƒˆã‚’ï¼Œåˆ¥ãƒãƒ¼ãƒˆã¸ã®ãƒªã‚¯ã‚¨ã‚¹ãƒˆ(ä¾‹ï¼šhttp://www.rensa.
shin-uemon 2007/06/13
ãƒªãƒãƒ¼ã‚¹ãƒ—ãƒã‚ã‚·ã®ä¾‹

apache

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ã‚¦ãƒŽã‚¦ãƒ©ãƒœ Unoh Labs: mod_proxy_balancer å°æŠ€é›†
ã“ã‚“ã«ã¡ã¯ sato ã§ã™ã€‚ ãƒ™ãƒ³ãƒãƒ£ãƒ¼ã§ã¯é«˜ä¾¡ãªãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ãƒãƒ©ãƒ³ã‚µãªã©ã‚’è³¼å…¥ã™ã‚‹ã“ã¨ã¯ã§ããªã„ã§ã™ãŒã€ apache2.2 ã‹ã‚‰ mod_proxy_balancerã¨ã„ã† apacheãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã® ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ãƒãƒ©ãƒ³ã‚µãŒ è¿½åŠ ã•ã‚ŒãŸã®ã§ã€ãƒ•ã‚©ãƒˆè”µã§ã‚‚ä½¿ç”¨ã—ã¦ã„ã¾ã™ã€‚ã€€ ä»Šã®ã¨ã“ã‚ proxy ã‚µãƒ¼ãƒãŒãƒœãƒˆãƒ«ãƒãƒƒã‚¯ã«ãªã‚‹ã“ã¨ã¯ãªã„ã§ã™ã€‚ æƒ³å®šæ§‹æˆã¯ä»¥ä¸‹ã¨ã—ã€apacheã¯ 2.x ã‚’ä½¿ç”¨ã—ã¾ã—ãŸã€‚ proxy1 +------web1 +------web2 ... +------webN ãƒ»åŸºæœ¬è¨å®š httpd.conf LoadModule proxy_module modules/mod_proxy.so LoadModule proxy_balancer_module modules/mod_proxy_balancer.so ProxyPass / ba
shin-uemon 2007/06/11
apache

è² è·å¯¾ç–

tips
ãƒªãƒ³ã‚¯
BlogFish: Scaling Rails with Apache 2.2, mod_proxy_balancer and Mongrel
Unitl this week we used Lighttpd and FastCGI for MeinProf.de. The setup was nearly the same as described in the must read series scaling rails (1, 2, 3, 4) from poocs.net. We used this setup from day 1 but always had some small issues with Lighttpd. Lighttpd was crashing every couple of days. Nothing dramatic, we had a script that monitored Lighttpd and restarted it if necessary. During the last
shin-uemon 2007/06/11
è² è·å¯¾ç–

rails

ruby

mongrel
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shin-uemon 2007/06/10
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shin-uemon 2007/05/21
linux

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shin-uemon 2007/04/06
tips

debug

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shin-uemon 2007/03/06
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shin-uemon 2007/02/23
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shin-uemon 2007/01/11
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shin-uemon 2007/01/11
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2006å¹´10æœˆ26æ—¥20:30 ã‚«ãƒ†ã‚´ãƒªLightweight Languages perl - BSD::getloadavg ãƒ¬ãƒãƒ¼ãƒˆã‚’å—ã‘è¿½è¨˜; BSD::Sysctlã®ã“ã¨ã‚‚è¿½è¨˜ ã“ã®éƒ¨åˆ†ãŒãªã‚“ã¨ã‚‚æƒœã—ã„ã‚ˆã†ãªæ°—ãŒã—ãŸã®ã§æ›¸ãã¾ã—ãŸã€‚ Milano::Monolog: mod_rewriteã§ã‚µãƒ¼ãƒãƒ¼ã®è² è·ãŒé«˜ã„ã¨ãã ã‘ãƒªãƒ€ã‚¤ãƒ¬ã‚¯ãƒˆã™ã‚‹ my ($ldavg1, $ldavg2, $ldavg3) = `uptime` =~ /load average:\s+([.0-9]+),\s+([.0-9]+),\s+([.0-9]+)/; BSD::getloadavg CPAN http://www.dan.co.jp/~dankogai/cpan/BSD-getloadavg-0.01.tar.gz ã“ã‚Œã§å½“è©²éƒ¨åˆ†ã¯ã€ #!/usr/bin/perl use strict; use
shin-uemon 2006/10/27
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perl

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