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mixi Engineersâ€™ Blog Â» ãƒãƒ³ã‚°ãƒ†ãƒ¼ãƒ«ãªç”»åƒé…ä¿¡ ãã®1
é–‹ç™ºéƒ¨ãƒ»ã‚·ã‚¹ãƒ†ãƒ é‹ç”¨ã‚°ãƒ«ãƒ¼ãƒ—ã®é•·é‡Žã§ã™ã€‚æœ€è¿‘ã¯ã€Œã‚µãƒ¼ãƒï¼ã‚¤ãƒ³ãƒ•ãƒ©ã‚’æ”¯ãˆã‚‹æŠ€è¡“ã€ã‚’èªã¿ãªãŒã‚‰é€šå‹¤ã—ã¦ã„ã¾ã™ã€‚ä»Šå›žã¯mixiã®ç”»åƒé…ä¿¡ã«ã¤ã„ã¦æ›¸ã‹ã›ã¦é ‚ããŸã„ã¨æ€ã„ã¾ã™ã€‚1å›žç›®ã¯ç”»åƒé…ä¿¡ã®èª²é¡Œã«ã¤ã„ã¦èª¬æ˜Žã•ã›ã¦é ‚ãã¾ã™ã€‚ â– ç”»åƒé…ä¿¡ã®ç¨®é¡ž ã“ã‚Œã¾ã§ç”»åƒã®é…ä¿¡ã¯å¤§ããåˆ†ã‘ã¦2ç¨®é¡žã‚ã‚‹ã¨è€ƒãˆã€ã‚·ã‚¹ãƒ†ãƒ ã‚’æ§‹ç¯‰ã—ã¦ãã¾ã—ãŸã€‚1ã¤ã¯ï¼‘ãƒ•ã‚¡ã‚¤ãƒ«ã‚ãŸã‚Šã¸ã®ã‚¢ã‚¯ã‚»ã‚¹ãŒéžå¸¸ã«å¤šããªã‚Šã¾ã™ãŒã€ãƒ•ã‚¡ã‚¤ãƒ«æ•°ãŒå°‘ãªã„ã‚‚ã®ã€‚ã‚‚ã†ä¸€ã¤ã¯ãƒ•ã‚¡ã‚¤ãƒ«æ•°ãŒè†¨å¤§ã«ãªã‚‹ä»£ã‚ã‚Šã«ã€ï¼‘ã¤ã®ãƒ•ã‚¡ã‚¤ãƒ«ã¸ã®ã‚¢ã‚¯ã‚»ã‚¹ã¯å°‘ãªã„ã‚‚ã®ã«ãªã‚Šã¾ã™ã€‚ å‰è€…ã¯mixiã®ä¸ã§ä½¿ã‚ã‚Œã‚‹ãƒã‚´ç”»åƒã‚„ãƒ¡ãƒ‹ãƒ¥ãƒ¼ã®ç”»åƒç‰ã®ãƒšãƒ¼ã‚¸éƒ¨å“ã€ã¾ãŸåºƒå‘Šç”»åƒã‚„çµµæ–‡å—ç”»åƒã«ãªã‚Šã€å¾Œè€…ã¯ãƒ¦ãƒ¼ã‚¶ãŒã‚¢ãƒƒãƒ—ãƒãƒ¼ãƒ‰ã™ã‚‹æ—¥è¨˜ã‚„ã‚¢ãƒ«ãƒãƒ ã®ç”»åƒã«ã‚ãŸã‚Šã¾ã™ã€‚ãƒšãƒ¼ã‚¸ã®éƒ¨å“ã®ç”»åƒã¯ãƒ•ã‚¡ã‚¤ãƒ«æ•°ã¯ãã‚Œã»ã©å¤šããªã„ã‚‚ã®ã®ã€ã‚µãƒ¼ãƒã¸ã®ã‚¢ã‚¯ã‚»ã‚¹æ•°ãŒæœ€å¤§ã§ç§’é–“ã«æ•°ä¸‡ãƒªã‚¯ã‚¨ã‚¹ãƒˆã«ã‚‚ãªã‚Šã¾ã™ã€‚é€†ã«ã‚¢ãƒ«ãƒãƒ ã‚„æ—¥è¨˜ã®ç”»åƒã¯å…¨
haida 2008/08/14
mixi

infrastructure
ãƒªãƒ³ã‚¯
Google's Secret Sauce
An unofficial blog that watches Google's attempts to move your operating system online since 2005. Not affiliated with Google. Send your tips to gostips@gmail.com. While there are many start-ups called by the media "Google killers", becoming more popular than Google is increasingly difficult. Even if Google started with an algorithm for search, it built an infrastructure that prepared its later ex
haida 2007/10/08
google

infrastructure
ãƒªãƒ³ã‚¯
ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ã®è£å´ãã®å¾Œ - naoyaã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼
ã¾ã‚‹ã”ã¨Perl! Vol.1 ã§åŸ·ç†ã•ã›ã¦ã„ãŸã ã„ãŸã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ã®ã‚·ã‚¹ãƒ†ãƒ ã«é–¢ã™ã‚‹è¨˜äº‹ãŒ ThinkIT ã§èªã‚ã‚‹ã‚ˆã†ã«ãªã‚Šã¾ã—ãŸã€‚è¨˜äº‹å…¨ä½“ã‚’ä½•å›žã‹ã«ã‚ã‘ã¦æŽ²è¼‰ã—ã¦ã„ãŸã ã„ã¦ã„ã¾ã™ã€‚ã¾ã‚‹ã”ã¨Perlã®è¨˜äº‹ãªã®ã§ã™ãŒã€å®Ÿã¯ Perl ã®ã“ã¨ã¯ã‚ã¾ã‚Šè§¦ã‚Œã¦ã„ãªãã¦ã¯ã¦ãªã®ã‚µãƒ¼ãƒãƒ¼é‹ç”¨æ¦‚è«–ã¿ãŸã„ã¯è©±ãŒä¸»ãªã¨ã“ã‚ã§ã™ã€‚ http://www.thinkit.co.jp/free/article/0610/1/1/ http://www.thinkit.co.jp/free/article/0610/1/2/ ã›ã£ã‹ããªã®ã§ç¾çŠ¶å ±å‘Šã‚‚å«ã‚ã¦å°‘ã—è£œè¶³ã‚’ã—ã¦ã¿ã‚ˆã†ã‹ãªã¨æ€ã„ã¾ã™ã€‚ ç¾åœ¨ã®æ•°å— è¨˜äº‹ã®ä¸ã§ã®æ•°å—ã¯6æœˆã®ã‚‚ã®ã§ ãƒ¦ãƒ¼ã‚¶ãƒ¼ï¼š45,000äºº ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯æ•°ï¼š535ä¸‡ä»¶ ãƒšãƒ¼ã‚¸ãƒ“ãƒ¥ãƒ¼ï¼š5,000ä¸‡/æœˆ ã‚µãƒ¼ãƒãƒ¼ï¼š17å° ã¨ãªã£ã¦ã¾ã™ãŒã€ç¾åœ¨ 10 æœˆã®æ–¹ã¯ã¨ã„ã†ã¨ ãƒ¦ãƒ¼ã‚¶ãƒ¼: 60,000
haida 2007/09/28
hatena

infrastructure

memcached
ãƒªãƒ³ã‚¯
CNET Japan Blog - æ±Ÿå³¶å¥å¤ªéƒŽ - Kenn's Clairvoyanceï¼šæ¢…ç”°ã‚µãƒãƒ³ä¸æ¢ã®ãŠè©«ã³ã€ãŠã‚ˆã³ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£å¤‰æ›´ã«ã¤ã„ã¦ã®æŠ€è¡“è©³ç´°ãƒ¬ãƒãƒ¼ãƒˆ
å…ˆé€±æœ«ã«äºˆå®šã•ã‚Œã¦ã„ãŸJTPAä¼ç”»ã®æ¢…ç”°ã•ã‚“ä¸»å‚¬ã‚ªãƒ³ãƒ©ã‚¤ãƒ³ã‚µãƒãƒ³ã§ã™ãŒã€ä¼šå ´ã«å¤šãã®äººãŒé›†ã¾ã‚‹ã«ã¤ã‚Œã¦LingrãŒé‡ããªã£ã¦ã—ã¾ã†ã¨ã„ã†äº‹æ…‹ã«é™¥ã£ã¦ã—ã¾ã„ã€ã¾ã‚‹ã§ã‚¤ãƒ™ãƒ³ãƒˆã®ä½“ã‚’ãªã•ãªã„ã¾ã¾æ™‚é–“ãŒéŽãŽã¦ã—ã¾ã„ã€ã‚ãˆãªãä¸æ¢ã¨ãªã£ã¦ã—ã¾ã„ã¾ã—ãŸã€‚ å½“ã‚¤ãƒ™ãƒ³ãƒˆã‚’æ¥½ã—ã¿ã«ã—ã¦ã„ãŸçš†æ§˜ã€ãã—ã¦æ¢…ç”°ã•ã‚“ã¯ã˜ã‚JTPAã‚¹ã‚¿ãƒƒãƒ•ã®æ–¹ã€…ã«ã¯ã€æœ¬å½“ã«ç”³ã—è¨³ãªã‹ã£ãŸã¨æ€ã„ã¾ã™ã€‚ã“ã“ã«æ”¹ã‚ã¦ãŠè©«ã³ç”³ã—ä¸Šã’ã¾ã™ã€‚ Macworld 2007ã®ã¨ãã«ã¯180äººã‚’åŽå®¹ã—ã¦ä½•ã®å•é¡Œã‚‚ãªãå¿«é©ã«ä½¿ãˆã¦ã„ãŸã®ã§ã€ã€Œ1000äººã¯ã‚ã‹ã‚‰ãªã„ã‘ã©ã€200äººãã‚‰ã„ãªã‚‰å¤§ä¸ˆå¤«ã ã‚ã†ã€ã¨ãŸã‹ã‚’ããã£ã¦ã„ãŸã®ãŒé–“é•ã„ã§ã—ãŸã€‚ ä»Šå›žã¯ãã®åçœã‚‚å«ã‚ã¦ã€å†…éƒ¨ã§æ¤œè¨¼ã—ãŸæŠ€è¡“æƒ…å ±ã‚’ã™ã¹ã¦å…¬é–‹ã—ã€ã©ã®ã‚ˆã†ãªå•é¡Œã«ç›´é¢ã—ã€ã©ã®ã‚ˆã†ã«è§£æ±ºã«ã‚ãŸã£ã¦ã„ã‚‹ã®ã‹ã‚’ãŠä¼ãˆã™ã‚‹ã“ã¨ã§ã€ç‰¹ã«æŠ€è¡“è€…ã®çš†ã•ã‚“ã«å½¹ç«‹ã¤ãƒ•ã‚£ãƒ¼ãƒ‰ãƒãƒƒã‚¯ã«ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ â– ä»Šå›žã®ã‚¢ãƒ¼ã‚ãƒ†
haida 2007/09/23
lingr

infrastructure
ãƒªãƒ³ã‚¯
Lingr Blog: Backend changes...
This evening, we are rolling out a new Lingr revision that adds some great new features including a spiffy live Lingr badge that you can embed on your website. Not so obvious was the fact that we also made some significant changes to our backend architecture. We're committed to being open about our techno logy, particularly our scaling experiences with Comet. There isn't a lot of empirical data ou
haida 2007/09/23
lingr

comet

blog

infrastructure
ãƒªãƒ³ã‚¯
livedoor Techãƒ–ãƒã‚° : nowaã®ã‚µãƒ¼ãƒæ§‹æˆ
ã“ã‚“ã«ã¡ã¯ã‚¹ã‚¨ãƒ’ãƒã§ã™ã€‚ ä»Šå›žã¯å¼Šç¤¾ãŒæä¾›ã—ã¦ã„ã‚‹ãƒ–ãƒã‚°ã‚µãƒ¼ãƒ“ã‚¹ã€Œnowaã€(ãƒŽãƒ¯ http://nowa.jp)ã®ä»•çµ„ã¿ã‚’ã‚µãƒ¼ãƒæ§‹æˆã‚’ä¸å¿ƒã«ç´¹ä»‹ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ nowaã§ã¯ä¸€èˆ¬çš„ãªãƒ–ãƒã‚°ã‚µãƒ¼ãƒ“ã‚¹è¦ç´ ã¨SNSè¦ç´ ã®æ©Ÿèƒ½ã‚’å®Ÿè£…ã—ã¦ã„ã¾ã™ã€‚å¼Šç¤¾ã«ã¯å…ˆè¡Œã—ã¦æä¾›ã—ã¦ã„ã‚‹ã€Œlivedoor Blogã€ã€ã€Œãƒ•ãƒ¬ãƒ‘ã€ã¨ã„ã£ãŸå¤§è¦æ¨¡ãªã‚µãƒ¼ãƒ“ã‚¹ãŒã‚ã‚Šã¾ã™ã®ã§ã€ãã¡ã‚‰ã®é–‹ç™ºãƒ»é‹ç”¨ã§å•é¡Œã«ãªã£ãŸç‚¹ãªã©ã‚’å‚è€ƒã«ã—ã¤ã¤é–‹ç™ºã‚’é€²ã‚ã¦ã„ã¾ã™ã€‚å…·ä½“çš„ã«ã¯ã‚¢ã‚¯ã‚»ã‚¹ã«ã‚ˆã‚‹è² è·ã¸ã®å¯¾ç–ã€ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®åˆ†æ•£åŒ–ã€ç”»åƒã®ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ãƒ³ã‚°ã€å†—é•·æ€§ã€ã‚¹ã‚±ãƒ¼ãƒ©ãƒ“ãƒªãƒ†ã‚£ã¨ã„ã£ãŸç‚¹ã«ãªã‚Šã¾ã™ã€‚ - ãƒãƒ¼ã‚¿ãƒ«(nowa.jp)ã€CMS(cms.nowa.jp) ã®ã‚µãƒ¼ãƒæ§‹æˆ ãƒãƒ¼ã‚¿ãƒ«ãƒšãƒ¼ã‚¸(nowa.jp)ã¨CMSãƒšãƒ¼ã‚¸(cms.nowa.jp)ã¯ã€é™çš„ãªãƒ•ã‚¡ã‚¤ãƒ«ã®ãƒªã‚¯ã‚¨ã‚¹ãƒˆã‚’æŒã+å‹•çš„ãªã‚³ãƒ³ãƒ†ãƒ³ãƒ„ã¸ã®ãƒªã‚¯ã‚¨ã‚¹ãƒˆã‚’ãƒ—ãƒã‚ã‚·ã™ã‚‹ãƒ•ãƒãƒ³ãƒˆã‚µãƒ¼ãƒ
haida 2007/09/22
nowa

infrastructure
ãƒªãƒ³ã‚¯
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ä¸–ç•Œä¸€ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆæŽ¥ç¶šãŒé€Ÿã„å›½ãƒ‹ãƒƒãƒãƒ³ã®å…‰ã¨å½± Diggã«å›½åˆ¥ãƒ–ãƒãƒ¼ãƒ‰ãƒãƒ³ãƒ‰ã®å¹³å‡é€Ÿåº¦ã¨ã„ã†ã‚°ãƒ©ãƒ•ãŒè¼‰ã£ã¦ã„ã¾ã—ãŸã€‚ ã“ã‚Œã‚’è¦‹ã‚‹ã¨æ—¥æœ¬ã¯åœ§å€’çš„ã«ä¸–ç•Œä¸€ã§ã™ã€‚ã—ã‹ã—ã€ãã®ä¸èº«ã¯ã¨ã„ã†ã¨ã€ãã†æ¥½è¦³çš„ãªã‚‚ã®ã§ã¯ã‚ã‚Šã¾ã›ã‚“ã€‚ æ•°å¹´å‰ã«Yahoo!BBãŒæ ¼å®‰ãƒ–ãƒãƒ¼ãƒ‰ãƒãƒ³ãƒ‰ã‚’æä¾›ã—å§‹ã‚ã¦ä»¥æ¥ã€NTTã¨ã®ç†¾çƒˆãªç«¶äº‰ã‚’ç¹°ã‚Šåºƒã’ãŸçµæžœã€æ—¥æœ¬ã¯ã¨ã¦ã‚‚å®‰ãé«˜é€Ÿãªã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆæŽ¥ç¶šç’°å¢ƒãŒæ™®åŠã—ãŸå›½ã«ãªã‚Šã¾ã—ãŸã€‚ ã—ã‹ã—ã€ãã“ã«ã¯ç„¡ç†ã‚’ã—ã™ãŽãŸãƒ„ã‚±ã¨ã„ã†ã®ãŒè²¯ã£ã¦ã„ã‚‹ã®ã§ã™ã€‚è©³ç´°ã¯ä»¥ä¸‹ã‹ã‚‰ã€‚ Average Broad Band Speed by Country ä¸Šã®ã‚°ãƒ©ãƒ•(ã‚¯ãƒªãƒƒã‚¯ã§æ‹¡å¤§)ã‚’è¦‹ã¦ã‚ã‹ã‚‹é€šã‚Šã€æ—¥æœ¬ã®ãƒ–ãƒãƒ¼ãƒ‰ãƒãƒ³ãƒ‰æŽ¥ç¶šã®å¹³å‡ã¯60Mbpsã¨ã„ã†å€¤ã«ãªã£ã¦ã„ã¾ã™ã€‚ã“ã‚Œã¯Bãƒ•ãƒ¬ãƒƒãƒ„ã‚„Yahoo!BBå…‰ãªã©ã®æœ€å¤§100Mbpsã®ã‚µãƒ¼ãƒ“ã‚¹åŠ å…¥è€…ãŒå¤šã„ãŸã‚ã§ã—ã‚‡ã†ã€‚ ãŸã ã—ã€100Mbpsã¨ã„ã†ã®ã¯ç†è«–å€¤ã§ã€
haida 2007/09/04
niconico

infrastructure

network
ãƒªãƒ³ã‚¯
[ThinkIT] ç¬¬6å›žï¼šãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®è² è·åˆ†æ•£ã¨ã¾ã¨ã‚ (1/3)
Webã‚µãƒ¼ãƒãƒ¼ã‚‚é †èª¿ã«å¢—ãˆãŸã€ã¨ãªã‚‹ã¨æ¬¡ã¯ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ãŒæ‚²é³´ã‚’ä¸Šã’ã‚‹é ƒã§ã™ã€‚ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®å¢—è¨ã¨è¡Œãã¾ã—ã‚‡ã†ã€‚ ã¯ã¦ãªã§ã¯ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã«ã¯MySQLã‚’åˆ©ç”¨ã—ã¦ã„ã¾ã™ã€‚MySQLã¯çµ„ã¿è¾¼ã¿ã§ãƒ¬ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚’ã‚µãƒãƒ¼ãƒˆã—ã¦ã„ã‚‹ã®ã§ã€ã“ã‚Œã‚’ä½¿ã‚ãªã„æ‰‹ã¯ã‚ã‚Šã¾ã›ã‚“ã€‚ãƒ¬ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚’è¡Œã„ã€ãƒžã‚¹ã‚¿ãƒ¼DBã®ã‚³ãƒ”ãƒ¼ã§ã‚ã‚‹ã‚¹ãƒ¬ãƒ¼ãƒ–DBã‚µãƒ¼ãƒãƒ¼ã‚’ä½œã‚Š2å°æ§‹æˆã«ã—ã¾ã™ã€‚ ãƒ¬ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã¯ã€ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚’è¤‡æ•°å°ã«å¢—ã‚„ã—ã€ä¸”ã¤ãã®è¤‡æ•°ã®ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ãŒä¿æŒã™ã‚‹ãƒ‡ãƒ¼ã‚¿ã‚’åŒæœŸã•ã›ã‚‹ãŸã‚ã®ä»•çµ„ã¿ã§ã™ã€‚ãƒ¬ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã•ã‚ŒãŸãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®ã†ã¡ã€å…ƒã€…ã‚ã£ãŸãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ãŒè¦ªã€ãã‚Œä»¥å¤–ãŒåã¨ã„ã†è¦ªåé–¢ä¿‚ã«ãªã‚Šã¾ã™ã€‚ è¦ªã¯ãƒžã‚¹ã‚¿ãƒ¼ã€åã¯ã‚¹ãƒ¬ãƒ¼ãƒ–ã¨å‘¼ã°ã‚Œã€ãƒžã‚¹ã‚¿ãƒ¼ã¸ã®æ›´æ–°å‡¦ç†ã¨åŒã˜å‡¦ç†ã‚’ã‚¹ãƒ¬ãƒ¼ãƒ–ã«ä¼æ’ã•ã›ã‚‹ã“ã¨ã§ãƒ‡ãƒ¼ã‚¿ã®åŒæœŸãŒè¡Œã‚ã‚Œã¾ã™ã€‚å®Ÿéš›ã«ã¯ãƒžã‚¹ã‚¿ãƒ¼ã‹ã‚‰ã‚¹ãƒ¬ãƒ¼ãƒ–ã¸å‡¦ç†ãŒä¼æ’ã™ã‚‹ã®ã§ã¯ãªãã€ã‚¹ãƒ¬ãƒ¼ãƒ–ãŒãƒãƒ¼ãƒªãƒ³ã‚°ã‚’è¡Œã£ã¦ãƒžã‚¹ã‚¿ãƒ¼ã¨
haida 2007/08/09
]tmpfsã¨ã‹ã€‚

mysql

scalability

infrastructure
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[ThinkIT] ç¬¬5å›žï¼šã‚µãƒ¼ãƒã®è¿½åŠ ã¨ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚·ãƒ³ã‚° (1/2)
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haida 2007/08/09
infrastructure

scalability

hatena

apache
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[ThinkIT] ç¬¬4å›žï¼šBackend Evolutionï¼ˆå¾Œç·¨ï¼‰ (1/2)
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haida 2007/08/09
scalability

infrastructure

apache

hatena
ãƒªãƒ³ã‚¯
[ThinkIT] ç¬¬3å›žï¼šBackend Evolutionï¼ˆå‰ç·¨ï¼‰ (1/2)
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haida 2007/08/09
infrastructure

scalability

hatena
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[ThinkIT] ç¬¬1å›žï¼šInside Hatena Bookmark (1/2)
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haida 2007/08/09
infrastructure

scalability

hatena
ãƒªãƒ³ã‚¯
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