blog.katsuma.tv
greeã•ã‚“ã§é–‹å‚¬ã•ã‚ŒãŸKey Value Store勉強会ã«è¡Œã£ã¦ãã¾ã—ãŸã€‚ 時間ã«ã—ã¦4時間超ãˆã€å†…容も国内ã®Key-Value Storeãªã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã®æœ€å‰ç·šã®è©±ã°ã‹ã‚Šã§ç›¸å½“ãªãƒœãƒªãƒ¥ãƒ¼ãƒ 。以下ã€ãƒ¡ãƒ¢ã£ã¦ãŸã®ã‚’残ã—ã¦ãŠããŸã„ã¨æ€ã„ã¾ã™ã€‚（誤å—ã€è„±å—ã€å†…容ã«èª¤ã‚Šã‚’å«ã‚€ã‚‚ã®ãªã©ã‚ã‚Šã¾ã—ãŸã‚‰ãŠä¼ãˆãã ã•ã„）ã¾ãŸã€ç™ºè¡¨è€…ã®æ–¹ã‚„プãƒãƒ€ã‚¯ãƒˆã«ã¤ã„ã¦ã€ã–ã£ãり調ã¹ã¦URL見ã¤ã‘られãŸã‚‚ã®ã«ã¤ã„ã¦ã¯ãƒªãƒ³ã‚¯å¼µã£ã¦ã„ã¾ã™ã€‚ 森ã•ã‚“ / 末永ã•ã‚“  groonga Sennaã®å¾Œç¶™ã‚¨ãƒ³ã‚¸ãƒ³ èžé€šãŒåŠ¹ã‹ãªã„ã®ãŒSennaã®ãƒ‡ãƒ¡ãƒªãƒƒãƒˆ スコア算出å¼ã®ã‚«ã‚¹ã‚¿ãƒžã‚¤ã‚ºãªã© Sennaã®è»¢ç½®ç´¢å¼• 索引ã®æ§‹æˆéƒ¨å“を自由ã«çµ„ã¿åˆã‚ã›ã¦ä½¿ãˆã‚‹ APIã‚‚ã„ã‚ã„ã‚ QL DB Low Level memcached互æ›ã®key-value store ãƒã‚¤ãƒŠãƒªã®ã¿å¯¾å¿œ 計測 クライアント　memstorm-0.6.8 mem
lucille development blog » Blog Archive » Multi-threaded app does not scale-up on Amazon EC2
Based on yukoba’s and my investigation, we’ve found that multi-threaded app does not scale-up on Amazon EC2. For example, lucille renderer is multi-threaded app and scales well on the number of cores(threads) in general, but when running lucille on EC2 it no longer scales well on the number of threads(virtual cores). I’ve executed lucille on xlarge instance(8 virtual cores) and got the following r
Rolling with Ruby on Rails
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mixi Engineers’ Blog » 期間é™å®šã®æ–°æ©Ÿèƒ½ã€Œã‚¨ã‚³ãƒ¼ã€ç™»å ´
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livedoor Techブãƒã‚° : nowaã®ã‚µãƒ¼ãƒæ§‹æˆ
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TAKESAKO @ Yet another Cybozu Labs: ニコニコ動画勉強会ã«è¡Œã£ã¦ãã¾ã—ãŸ
本日ドワンゴã•ã‚“ã®ä¼šè°å®¤ã«ã¦ã“ã£ãり開催ã•ã‚ŒãŸãƒ‹ã‚³ãƒ‹ã‚³å‹•ç”»å‹‰å¼·ä¼šã«å‚åŠ ã—ã¦ãã¾ã—ãŸã€‚ 日本ã®å‹•ç”»ã‚³ãƒ¡ãƒ³ãƒˆã‚µãƒ¼ãƒ“ス「ニコニコ動画ã€ã®è£å´ã‚’ドワンゴã®é–‹ç™ºè€…ã®æ–¹ã‹ã‚‰ 直接ãŠè©±ã—ã‚’èžã„ã¦ã€å‚åŠ è€…ã‚‚ä¸€ç·’ã«æ„見交æ›ãŒã§ãã‚‹éžå¸¸ã«é¢ç™½ã„勉強会ã§ã—ãŸã€‚ ドワンゴã•ã‚“ã¨ã—ã¦ã¯ä¼šç¤¾ã§è¡Œãªã†æŠ€è¡“者å‘ã‘ã®å‹‰å¼·ä¼šåˆã‚ã¦ã®è©¦ã¿ã¨ã„ã†ã“ã¨ã‚‚ã‚り〠ã¾ãšã¯é–‹ç™ºè€…ã®çŸ¥ã‚Šåˆã„ベースã§å£°ã‚’ã‹ã‘ã‚ã£ã¦å°‘人数ã§é–‹å‚¬ã™ã‚‹ã“ã¨ã«ã—ãŸãã†ã§ã™ã€‚ å…本木ã®ã‚¯ãƒ©ãƒ–ã®äººã‚„ã€ãƒã‚¤ãƒŠãƒªã‚«ãƒ³ãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ã§ã”一緒ã—ãŸäººã¨ã“ã‚“ãªã¨ã“ã‚㧠ãŠä¼šã„ã§ãã‚‹ã¨ã¯æ€ã£ã¦ã„ã¾ã›ã‚“ã§ã€ã•ã¾ã«æƒ³å®šã®ç¯„囲外ã§ã—ãŸã€‚ ãã®ç”²æ–ã‚ã£ã¦å¯†åº¦ã®æ¿ƒã„話ãŒã§ããŸã¨æ€ã„ã¾ã™ã€‚ 以下ã€è‡ªåˆ†ç”¨ã®ãƒ¡ãƒ¢ã‚’公開ã§ãる範囲ã§æ›¸ãã¾ã™ã€‚é–“é•ã£ã¦ã„ãŸã‚‰ã™ã¿ã¾ã›ã‚“。（ã”指摘ã„ãŸã ã‘ã‚Œã°ã™ãã«è¨‚æ£ã—ã¾ã™ï¼‰ ■ニコニコ動画ã®è‹¦åŠ´è©± (Sã•ã‚“) ニコニコ動画ã®æ´å² 2006å¹´10月 一人ã§ãƒ—ãƒãƒˆã‚¿ã‚¤ãƒ—を開発
YouTube Architecture - High Scalability -
Update 3: 7 Years Of YouTube Scalability Lessons In 30 Minutes and YouTube Strategy: Adding Jitter Isn't A Bug Update 2: YouTube Reaches One Billion Views Per Day. That’s at least 11,574 views per second, 694,444 views per minute, and 41,666,667 views per hour. Update: YouTube: The Platform. YouTube adds a new rich set of APIs in order to become your video platform leader--all for free. Upload, ed
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