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3è¡Œã§ã§ãる超ãŠæ‰‹è»½å…¨æ–‡æ¤œç´¢ - mixi engineer blog
梅雨。部屋干ã—ã—ãŸæ´—濯物ã«ã‚ˆã‚‹ç•°è‡é¨’ãŽã«è‹¦ã—ã‚€mikioã§ã™ã€‚今回ã¯ã€Tokyo Cabinetã®ãƒ†ãƒ¼ãƒ–ルデータベースã§è¶…ãŠæ‰‹è»½ã«å…¨æ–‡æ¤œç´¢ã‚’ã™ã‚‹æ–¹æ³•ã«ã¤ã„ã¦èª¬æ˜Žã—ã¾ã™ã€‚ 使ã„æ–¹ テーブルデータベースã«ã¤ã„ã¦ã¾ãšãŠã•ã‚‰ã„ã—ã¦ãŠãã¾ã—ょã†ã€‚Perlã‚„Rubyã®ãƒãƒƒã‚·ãƒ¥ã®ã‚ˆã†ã«ã‚³ãƒ©ãƒ åã¨ãã®å€¤ã‚’関連ã¥ã‘ãŸæ§‹é€ ã‚’ã€ä¸»ã‚ーをè˜åˆ¥åã¨ã—ã¦ä¿å˜ã™ã‚‹ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã§ã™ã€‚例ãˆã°Rubyã‹ã‚‰ãƒ‡ãƒ¼ã‚¿ã‚’ä¿å˜ã™ã‚‹ã«ä»¥ä¸‹ã®ã‚ˆã†ã«è¡Œã„ã¾ã™ã€‚データベースã§ã‚ã‚‹ã“ã¨ã‚’ã»ã¨ã‚“ã©æ„è˜ã•ã›ãªã„ã¨ã„ã†ã®ãŒç´ 敵ãƒã‚¤ãƒ³ãƒˆã§ã™ã€‚APIã¯Cã§ã‚‚Perlã§ã‚‚Rubyã§ã‚‚ã»ã¨ã‚“ã©åŒã˜ãªã®ã§ã€è¨€èªžã«ã‹ã‹ã‚らãšåŒã˜ã‚ˆã†ã«ãƒ¬ã‚³ãƒ¼ãƒ‰ã‚’æ“作ã§ãã¾ã™ã€‚ require 'tokyocabinet' include TokyoCabinet # データベースを開ã tdb = TDB::new tdb.open("casket", TDB::OWRITER
100è¡Œã®Cプãƒã‚°ãƒ©ãƒ ã§Webãƒãƒ£ãƒƒãƒˆã‚’実装ã™ã‚‹æ–¹æ³• - mixi engineer blog
例ã®å†·å´ãƒ•ã‚¡ãƒ³ã‚’ä¿®ç†ã—ã¦ã‚‚らã„ã«ç§‹è‘‰åŽŸã«è¡Œã£ãŸã®ã§ã™ãŒã€æœ€è¿‘ã®åŒäººã‚²ãƒ¼ãƒ ã®ã‚¯ã‚ªãƒªãƒ†ã‚£ã¯ã™ã”ã„ãªã‚ã¨æ„Ÿå¿ƒã—ã¦ã„ãŸã‚‰ã€ãã®äºŒéšŽã¯ã‚‚ã£ã¨ã¨ã‚“ã§ã‚‚ãªã„ã“ã¨ã«ãªã£ã¦ã¦ã€ã²ã¨ã¤å¤§äººã«ãªã£ã¦ã—ã¾ã£ãŸmikioã§ã™ã€‚今回ã¯ã€Tokyo Cabinetã®ãƒ†ãƒ³ãƒ—レート直列化機能を駆使ã—ã¦ã€ãŸã£ãŸ100è¡Œã®Cプãƒã‚°ãƒ©ãƒ ã§Webãƒãƒ£ãƒƒãƒˆã‚·ã‚¹ãƒ†ãƒ を実装ã—ã¦ã¿ã¾ã™ã€‚ å¤å¼ã‚†ã‹ã—ã„Webãƒãƒ£ãƒƒãƒˆã‚·ã‚¹ãƒ†ãƒ 10å¹´ãらã„å‰ã«CGIスクリプトã§ãƒãƒ£ãƒƒãƒˆã‚·ã‚¹ãƒ†ãƒ を作るã®ãŒæµè¡Œã—ã¦ã„ãŸã®ã‚’覚ãˆã¦ã„る方も多ã„ã¨æ€ã„ã¾ã™ã€‚ãƒãƒ£ãƒƒãƒˆãƒã‚°ã¯ç¾åœ¨ã®ã‚ˆã†ã«ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚µãƒ¼ãƒã«è»¢é€ã—ã¦æ ¼ç´ã™ã‚‹ã®ã§ã¯ãªãã€ãƒãƒ¼ã‚«ãƒ«ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ 上ã®ãƒ•ã‚¡ã‚¤ãƒ«ã«CSVã‚„TSVãªã©ã®ãƒ•ã‚©ãƒ¼ãƒžãƒƒãƒˆã§æ ¼ç´ã—ãŸã‚Šã€åŒã˜ããƒãƒ¼ã‚«ãƒ«ã®DBMファイルã«æ ¼ç´ã™ã‚‹ã®ãŒä¸»æµã§ã—ãŸã€‚ï¼’ã¡ã‚ƒã‚“ãã‚‹ã®ã€Œdatファイルã€ã‚‚ãã®ã‚ˆã†ãªãƒ‡ãƒ¼ã‚¿ãƒ•ã‚¡ã‚¤ãƒ«ã®ä¸€ç¨®ã¨è¨€ãˆã‚‹ã§ã—ょã†ã€‚ ãã®é ƒã‹ã‚‰ã€CGI
Some Notes on Distributed Key Stores
random($foo) is the occassionally still updated blog of Leonard Lin. My pics are on Flickr, code is on Github. @lhl on Twitter.  More » Last week I ended up building a distributed keystore for a client. That wasn’t my original intention, but after doing testing on just about every project out there, it turned out to be the best (only?) solution for our needs. Specifically, a production environmen
Tokyo {Cabinet, [Py]Tyrant} Talk « michael schurter
I did an introductory talk on Tokyo Cabinet, Tokyo Tyrant, pytc, and PyTyrant at the Portland Python User Group meeting last night. It was definitely just an introductory talk, so if you’re already familiar with these projects it probably won’t be very interesting. Slides (html) Single page (HTML version) Single page (PDF version) reStructuredText (rst) source Errata: My slides state PyTyrant 1.1.
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mixi Engineers’ Blog » Tokyo Tyrantã«ã‚ˆã‚‹è€é«˜è² è·DBã®æ§‹ç¯‰
連休ä¸ã¯Wiiã®ãƒžãƒªã‚ªã‚«ãƒ¼ãƒˆã‚’ã‚„ã‚Šã¾ãã£ã¦ã‚„ã£ã¨VR7000越ãˆãŸmikioã§ã™ã€‚愛車ã¯ãƒžãƒƒãƒãƒ»ãƒã‚¤ã‚¯ã¨ã‚¤ãƒ³ã‚¿ãƒ¼ã‚»ãƒ—ターã§ã™ã€‚ã•ã¦ä»Šå›žã¯ã€åˆ†æ•£ãƒãƒƒã‚·ãƒ¥ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚µãƒ¼ãƒTokyo Tyrantã§mixiã®æœ€çµ‚ãƒã‚°ã‚¤ãƒ³æ™‚刻を管ç†ã™ã‚‹ã‚ˆã†ã«ã—ãŸæ™‚ã®è‹¦åŠ´è©±ã‚’書ãã¾ã™ã€‚ ãƒã‚°ã‚¤ãƒ³å‡¦ç†ã¯è² è·åœ°ç„ mixiã§ã¯ã€å…¨ã¦ã®ãƒ¦ãƒ¼ã‚¶ã«ã¤ã„ã¦ã€å„々ã®æœ€çµ‚ãƒã‚°ã‚¤ãƒ³æ™‚刻を管ç†ã—ã¦ã„ã¾ã™ã€‚「マイミクシィ一覧ã€ã‚„「ãŠæ°—ã«å…¥ã‚Šã€ãªã©ã®ç”»é¢ã§ã€å‹äººãŒè¿‘ã„時間ã«ãƒã‚°ã‚¤ãƒ³ã—ã¦ã„ã¦ã‚³ãƒŸãƒ¥ãƒ‹ã‚±ãƒ¼ã‚·ãƒ§ãƒ³ãŒã¨ã‚Šã‚„ã™ã„状態ã«ã‚ã‚‹ã‹ã©ã†ã‹ç¢ºèªã§ãるよã†ã«ã™ã‚‹ãŸã‚ã§ã™ã€‚ mixiã®ã»ã¼å…¨ã¦ã®ãƒšãƒ¼ã‚¸ã¯ãƒã‚°ã‚¤ãƒ³ã—ãªã„ã¨è¦‹ã‚‰ã‚Œãªã„ページãªã®ã§ã€ã»ã¼å…¨ã¦ã®ãƒšãƒ¼ã‚¸ã«ã‚¢ã‚¯ã‚»ã‚¹ã•ã‚Œã‚‹ãŸã³ã«ãƒã‚°ã‚¤ãƒ³ç¢ºèªãŒè¡Œã‚ã‚Œã¾ã™ã€‚ã—ãŸãŒã£ã¦ã€æœ€çµ‚ãƒã‚°ã‚¤ãƒ³æ™‚刻ã¯ã»ã¼å…¨ã¦ã®ãƒšãƒ¼ã‚¸ã«ã‚¢ã‚¯ã‚»ã‚¹ã•ã‚Œã‚‹åº¦ã«æ›´æ–°ã•ã‚Œã‚‹ã“ã¨ã«ãªã‚Šã¾ã™ã€‚mixiã®ä¸ã§æœ€ã‚‚é‡ã„データベースã®ã²ã¨ã¤ã¨ã—ã¦ã€Œ
mixi Engineers’ Blog » 言語ãƒã‚¤ãƒ³ãƒ‡ã‚£ãƒ³ã‚°ã‚’書ã“ã†
世田谷ã®æŸæ‰€ã‹ã‚‰åŽŸå®¿ã¾ã§è‡ªè»¢è»Šé€šå‹¤ã—ã¦ã„ã‚‹ã®ã§ã™ãŒã€ãã‚ãã‚寒ããªã£ã¦ããŸã®ã§é›»è»Šã«åˆ‡ã‚Šæ›¿ãˆã‚ˆã†ã‹ã¨æ‚©ã¿ä¸ã®mikioã§ã™ã€‚今回ã¯Tokyo Cabinetã®ã‚¹ã‚¯ãƒªãƒ—ト言語ãƒã‚¤ãƒ³ãƒ‡ã‚£ãƒ³ã‚°ã«ã¤ã„ã¦è¿°ã¹ã¾ã™ã€‚ スクリプト言語ãƒã‚¤ãƒ³ãƒ‡ã‚£ãƒ³ã‚°ã¨ã¯ TCã¯C言語ã§å®Ÿè£…ã•ã‚ŒãŸãƒ©ã‚¤ãƒ–ラリã§ã€C言語（C89ã€C99）ãŠã‚ˆã³C++言語ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã‹ã‚‰åˆ©ç”¨ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚Cã‚„C++ã¯å„種ã®è¨ˆç®—処ç†ã‚„システムコールã®å‘¼ã³å‡ºã—を直接的ã«è¨˜è¿°ã§ãã‚‹ã®ã§é«˜é€Ÿã«å‹•ä½œã™ã‚‹ãƒ—ãƒã‚°ãƒ©ãƒ を作るã“ã¨ãŒã§ãã‚‹åé¢ã€ãƒã‚¤ãƒ³ã‚¿æ¼”算やメモリ管ç†ãªã©ã§è‡´å‘½çš„ãªãƒã‚°ã‚’潜ã¾ã›ã‚„ã™ã„ã®ã§éžå¸¸ã«æ³¨æ„æ·±ãコーディングを進ã‚ãªã‘ã‚Œã°ã„ã‘ã¾ã›ã‚“。ã¤ã¾ã‚Šã€ãƒ—ãƒã‚°ãƒ©ãƒ ã®å®Ÿè¡Œé€Ÿåº¦ã¯é€Ÿã„ãŒã€é–‹ç™ºé€Ÿåº¦ã¯é…ã„ã¨ã„ã†ã“ã¨ã§ã™ã€‚ ãã‚Œã«å¯¾ã—ã¦ã€Perlã‚„Rubyã‚’ã¯ã˜ã‚ã¨ã™ã‚‹ã„ã‚ゆるスクリプト言語ã¯ã€å®Ÿè¡Œé€Ÿåº¦ã¯Cã‚„C++ã«åŠ£ã‚‹ã‚‚ã®ã®ã€é«˜æ°´æº–ã‹ã¤ç›´æ„Ÿçš„ãªæ–‡æ³•ã¨å¼·åŠ›ãª
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