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Erlangã®httpドーピング - ã¿ã‹ãƒã‚°
Erlangã§æ›¸ã‹ã‚ŒãŸWebサーãƒã®yawsã¯ã‹ãªã‚Šé€Ÿã„． Apache並ã®æ€§èƒ½ãŒå‡ºã‚‹ï¼Ž ãã‚Œã¯ErlangãŒé€Ÿã„ã‹ã‚‰ã ã¨æ€ã£ã¦ã„ãŸï¼Ž ã§ã‚‚，ソースをèªã‚“ã§ã¿ãŸã‚‰ï¼Œãƒ‰ãƒ¼ãƒ”ングã•ã‚Œã¦ã„ã‚‹ã“ã¨ãŒã‚ã‹ã£ãŸï¼Ž åŒæ§˜ã®ã‚¢ãƒ—リã§ï¼Œmochiwebã¨ã„ã†Erlangã§æ›¸ã‹ã‚ŒãŸWebサーãƒã®ãƒ•ãƒ¬ãƒ¼ãƒ ワークもã‚ã‚‹ã‘ã‚Œã©ï¼Œã“れもåŒã˜ã§ãã®æ–¹æ³•ã‚’使ã£ã¦ã„ãŸï¼Ž Erlangã§ã¯ï¼ŒTCP通信ã®ãƒ‰ãƒ©ã‚¤ãƒã«ã„ã‚ã„ã‚ãªãƒ¢ãƒ¼ãƒ‰ãŒã‚ã£ã¦ï¼Œè¡Œå˜ä½ã§å¿œç”ã‚’è¿”ã—ãŸã‚Šï¼ŒFCGIã‚„CORBAã®ãƒ‘ケットをã‚ã¤ã‹ã£ãŸã‚Šã™ã‚‹ã“ã¨ãŒã§ãる． Erlangã®ãƒžãƒ‹ãƒ¥ã‚¢ãƒ«ã«ã¯æ›¸ã‹ã‚Œã¦ã„ãªã„ã‘ã‚Œã©ï¼Œã“ã®ãƒ¢ãƒ¼ãƒ‰ã«httpã¨ã„ã†ã‚‚ã®ãŒã‚ã£ã¦ï¼Œãれを使ã†ã¨ï¼Œhttpヘッダã®è§£æžãªã©ã‚’C言語ã§æ›¸ã‹ã‚ŒãŸãƒ‰ãƒ©ã‚¤ãƒå†…ã§è¡Œã†ã“ã¨ãŒã§ãる模様． undocumentedã ã‘ã©ã‚‚，ã©ã¡ã‚‰ã®ãƒ•ãƒ¬ãƒ¼ãƒ ワークも使用ã—ã¦ã„ã‚‹ã¨ã„ã†ã“ã¨ã¯ï¼Œãã®è¾ºã‚ˆãç ”ç©¶ã—ã¦ã„ã‚‹ã¨ã„ã†ã“ã¨ãªã®ã‹ãª
Erlang -- Supervisor Behaviour
Expand All Contract All Chapters Overview Top of chapter Supervision Trees Behaviours Applications Releases Release Handling gen_server Behaviour Top of chapter Client-Server Principles Example Starting a Gen_Server Synchronous Requests - Call Asynchronous Requests - Cast Stopping Handling Other Messages gen_statem Behaviour Top of chapter Event-Driven State Machines When to use gen_statem Callbac
Erlang 㧠4000万プãƒã‚»ã‚¹èµ·å‹•ã™ã‚‹æ–¹æ³• : DSAS開発者ã®éƒ¨å±‹
å‰å›žã€Erlang ã®ä¸¦åˆ—処ç†ã®ãƒ‘フォーマンスãŒãƒžãƒ«ãƒãƒ—ãƒã‚»ãƒƒã‚µç’°å¢ƒã§ã©ã‚Œ ãらã„å‘上ã™ã‚‹ã‹ã¨ã„ã†ã®ã‚’調ã¹ã¦ã¿ã¾ã—ãŸãŒã€ä»Šå›žã¯è»½é‡ã¨å‘¼ã°ã‚Œã¦ã„ã‚‹ Erlang ã®ãƒ—ãƒã‚»ã‚¹ã‚’ã©ã‚Œãらã„åŒæ™‚ã«èµ·å‹•ã™ã‚‹ã“ã¨ãŒå‡ºæ¥ã‚‹ã‹ã¨ã„ã†å®Ÿé¨“ã‚’ è¡Œã£ã¦ã¿ã¾ã—ãŸã€‚ 最終的ã«ã€ãƒ¡ãƒ¢ãƒªã‚’ 32Gç©ã‚“ã Sun Fire T2000を使用ã—ã¦ã€4000万プãƒã‚»ã‚¹ã‚’èµ·å‹•ã™ã‚‹ã“ã¨ãŒå‡ºæ¥ã¾ã—ãŸãŒã€ã“ã‚Œã ã‘ã®ãƒ—ãƒã‚»ã‚¹ã‚’扱ã†ãŸã‚ã«ã¯å¹¾ã¤ã‹ã®å·¥å¤«ãŒå¿…è¦ã—ãŸã®ã§ Erlang ã§å¤§é‡ãƒ—ãƒã‚»ã‚¹ã‚’扱ã†ãŸã‚ã®ãƒ†ã‚¯ãƒ‹ãƒƒã‚¯ã‚’å¹¾ã¤ã‹ç´¹ä»‹ã—ã¦ã„ããŸã„ã¨æ€ã„ã¾ã™ã€‚ ã¾ãŸã€æœ€å¾Œã«å¤§é‡ãƒ—ãƒã‚»ã‚¹ã‚’使用ã—ã¦ã®ãƒªãƒ³ã‚°ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ã‚’載ã›ã¦ã‚ã‚Š ã¾ã™ã€‚ 続ãã‚’èªã‚€
Jabberサーãƒãƒ¼ã‚’クラスタリングã—ã¦ã¿ã¾ã—ãŸã€‚ : DSAS開発者ã®éƒ¨å±‹
ã¿ãªã•ã‚“ Jabber ã‚’ã”å˜ã˜ã§ã™ã‹ï¼Ÿ Jabber ã¯ã‚ªãƒ¼ãƒ—ンãªä»•æ§˜ã®ãƒ¡ãƒƒã‚»ãƒ³ ジャーサービスã®ã“ã¨ã§æœ€è¿‘ã 㨠Google Talk ã§ä½¿ç”¨ã—ã¦ã„ã‚‹æ–¹ãŒå¤šã„ã¨æ€ ã„ã¾ã™ã€‚ KLab ã§ã¯ 2001å¹´ãらã„ã‹ã‚‰ã€èª°ã§ã‚‚ Jabber を使ã†ã“ã¨ãŒå‡ºæ¥ã‚‹ Jabber.JP ã¨ã„ã†ã‚µãƒ¼ãƒ“スをé‹ç”¨ã—ã¦ã„ ã¾ã™ã€‚ã¾ã Jabber を使用ã—ãŸã“ã¨ãŒãªã„æ–¹ã¯æ˜¯éžã“ã¡ã‚‰ã®ã€ŒJabber ã‚’ã¯ã˜ã‚よã†ã€ ã‚’ ã”覧ã«ãªã£ã¦ Jabber を使ã£ã¦ã¿ã¦ä¸‹ã•ã„。 Jabber.JP 㯠jabberd ã¨ã„ã†å®Ÿè£…を使用ã—ã¦ã„ ãŸã®ã§ã™ãŒã€å†—長構æˆãŒé›£ã—ã„ã¨ã„ã†å•é¡ŒãŒã‚ã‚Šã¾ã—ãŸã€‚ ãã“ã§å…ˆæ—¥ã€Jabber.JP ã§ã¯å¤§è¦ 模ãªãƒ¡ãƒ³ãƒ†ãƒŠãƒ³ã‚¹ã‚’行ㄠejabberd ã¨ã„ã†å®Ÿè£…ã§åˆ†æ•£ã€å†—長化を行ã£ã¦ã¿ã¾ã—ãŸã€‚ejabberd ã¯ãã®åã®é€šã‚Šã€Erlang 㧠実装ã•ã‚ŒãŸ Jabber サーãƒãƒ¼ã§ã€Mnesia
RBridge::Erlang ã‚’ Perl ã‹ã‚‰å‘¼ã¶ - 酒日記 ã¯ã¦ãªæ”¯åº—
ã¨ã‚Šã‚ãˆãšã€ã¯ã˜ã‚ã¦ã®Erlanモジュール作æˆã¨ã„ã†ã“ã¨ã§æ‚©ã‚“ã çµæžœã€Rubyã‹ã‚‰Erlangã®ãƒ¡ã‚½ãƒƒãƒ‰ã‚’呼ã³å‡ºã™RBridge::Erlangを作ã£ãŸã€‚ http://rakuto.blogspot.com/2007/05/ruby-and-erlang-rbridgeerlang.html Young risk taker.: [Ruby and Erlang] ãã‚ãã‚RBridge::Erlangã«ã¤ã„ã¦ä¸€è¨€ã„ã£ã¦ãŠãã‹ ãŠãŠã€ã“ã‚Œ Perl ã§ã‚‚ã‚„ã‚ŠãŸã„! ã¨æ€ã£ãŸã®ã ã‘ã©ã€ Erlangã¨Rubyé–“ã®é€šä¿¡ã«ãŠã‘るプãƒãƒˆã‚³ãƒ«ã¯JSON-RPCã§ã‚る。 JSON-RPC ãªã‚‰ã‚‚ã—ã‹ã—ã¦æ™®é€šã« Perl ã‹ã‚‰å‘¼ã¹ã‚‹ã‹ãª? ã¨ã‚„ã£ã¦ã¿ãŸã‚‰ã§ããŸã€‚ç´ æ™´ã‚‰ã—ã„。 Erlang å´ã§ã‚µãƒ¼ãƒèµ·å‹•ã€‚ 1> c(geometry). 2> geometry:start().Perlã®ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã€‚
ã¿ã‹ãƒã‚°: Erlangã§Comet
Erlangã§Cometã—ã¦ã¿ãŸï¼Ž （iframeæ–¹å¼ã¯çµå±€ã ã‚ãã†ãªã®ã§ï¼ŒCometã«ï¼‰ Comet ãƒãƒ£ãƒƒãƒˆã‚µãƒ³ãƒ—ル 実装ã¯ãã‚ã‚ã¦æ‰‹æŠœãã§ã™ï¼Žã‚ãã¾ã§ã‚µãƒ³ãƒ—ルã¨ã—ã¦ï¼Ž ソース： chat.erl (22行．etsテーブルã®åˆæœŸåŒ–) chat.yaws (72行．サーãƒå´ã®å®Ÿè£…) index.html (52行．HTML+JS) ※別途jqueryãŒå¿…è¦ ã“ã‚“ã ã‘çŸã„ソースã§ã‚‚，ã¡ã‚ƒã‚“ã¨Cometã§ãã‚‹ã—，C10Kã«ã‚‚対応ã§ãる．（å•é¡Œã¯ã„ã‚ã„ã‚ã‚るコードã ã‘ã©ï¼‰ ã„ã‚ã„ã‚ã¡ã‚ƒã‚“ã¨å®Ÿè£…ã—ãŸã¨ã—ã¦ã‚‚，ã‹ãªã‚Šã‚·ãƒ³ãƒ—ルã«ä»•ä¸ŠãŒã‚‹ã¨æ€ã†ï¼Ž Comet ã®æ£ã—ã„使ã„æ–¹ã§ç´¹ä»‹ã•ã‚Œã¦ã„るプãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ãƒ¢ãƒ‡ãƒ«ã®ã©ã‚Œã«ã‚‚当ã¦ã¯ã¾ã‚‰ãªã„æ–°ã—ã„æ–¹å¼ï¼Œã¨ã„ãˆã‚‹ã‹ã‚‚． Cometã®ãŸã‚ã«ç‰¹æ®Šãªå®Ÿè£…ã‚’ã™ã‚‹å¿…è¦ã‚‚ãªã„ã—，I/O多é‡åŒ–ãªã©å®Ÿè£…ãŒã‚ã‚“ã©ãã•ã„手法を使ã†å¿…è¦ã‚‚ãªã„． 普通ã«å„リクエストã®å‡¦ç†ã‚’書ã„ã¦ï¼Œæ–°è¦
ejabberd | distributed fault-tolerant Jabber/XMPP server in Erlang
ejabberd is a Jabber/XMPP instant messaging server, licensed under GPLv2 (Free and Open Source), written in Erlang/OTP. Among other features, ejabberd is cross-platform, fault-tolerant, clusterable and modular. This ejabberd community site gathers people which share a common interest in the ejabberd project: News | Book | Forums | Mailing list | Chatroom | Bugzilla The ejabberd commerc
Index - Erlang/OTP
fact(0) -> 1; %% Pattern matching for control-flow fact(N) -> N * fact(N-1). %% Recursion to create loops > example:fact(10). %% Interactive shell for fast iterations 3628800 > [{I, example:fact(I)} || I <- lists:seq(1,10)]. [{1, 1}, {2, 2}, {3, 6}, {4, 24}, {5, 120}, {6, 720}, {7, 5040}, {8, 40320}, {9, 362880}, {10, 3628800}] > Fruits = ["banana","monkey","jungle"]. %% Immutable variables ["bana
twitterブームã®é™°ã§æ³¨ç›®ã‚’集ã‚る“Erlangâ€ ï¼ ï¼ IT
2007/04/27 “twitterâ€ãŒãƒ–ームã 。140ãƒã‚¤ãƒˆä»¥å†…ã®çŸã„メッセージã§â€œç¾åœ¨é€²è¡Œå½¢â€ã®è‡ªåˆ†ã®ã‚¹ãƒ†ãƒ¼ã‚¿ã‚¹ã‚’ã»ã‹ã®ãƒ¦ãƒ¼ã‚¶ãƒ¼ã¨ã‚·ã‚§ã‚¢ã™ã‚‹ã ã‘ã®ã‚ªãƒ³ãƒ©ã‚¤ãƒ³ã‚µãƒ¼ãƒ“スã ãŒã€æœ¬å›½ã®ç±³å›½ã¯ã‚‚ã¨ã‚ˆã‚Šã€æ—¥æœ¬ã§ã‚‚éžå¸¸ãªäººæ°—を集ã‚ã¦ã„る。Alexaã§ã‚¢ã‚¯ã‚»ã‚¹æ•°ã®æŽ¨ç§»ã‚’調ã¹ã‚‹ã¨ã€ä»Šå¹´ã«å…¥ã£ã¦ã‹ã‚‰æœ¬æ ¼çš„ã«ãƒ–レークã—ã¦ã„る様åãŒåˆ†ã‹ã‚‹ã€‚4月22æ—¥ã«ã¯ãƒ‹ãƒ¥ãƒ¼ãƒ¨ãƒ¼ã‚¯ã‚¿ã‚¤ãƒ ズもtwitterã¨ã€ã‚µãƒ³ãƒ•ãƒ©ãƒ³ã‚·ã‚¹ã‚³åœ¨ä½ã®å‰µæ¥è€…2人を記事ã§å–り上ã’ã¦ã„る。 twitterã®ã‚³ãƒŸãƒ¥ãƒ‹ã‚±ãƒ¼ã‚·ãƒ§ãƒ³ãƒ„ールã¨ã—ã¦ã®æ–°ã—ã• twitterã«å‚åŠ ã—ã¦ã¿ã‚‹ã¨ã€ãƒãƒ£ãƒƒãƒˆã‚„メールã€SNSã¨ã„ã£ãŸã€æ—¢å˜ã®ã‚³ãƒŸãƒ¥ãƒ‹ã‚±ãƒ¼ã‚·ãƒ§ãƒ³ãƒ„ールã®ã„ãšã‚Œã¨ã‚‚ç•°ãªã‚‹ã€ä¸æ€è°ãªã¤ãªãŒã‚Šæ–¹ãŒæ–°é®®ã§æ¥½ã—ã„。熱心ã«ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ã‚’æ›´æ–°ã™ã‚‹ãƒ¦ãƒ¼ã‚¶ãƒ¼ã‚’見ã¦ã„ã‚‹ã¨ã€CUSeeMeã€ICQã€mixiãªã©ãŒç™»å ´ã—ãŸã¨ãã«äººã€…ãŒç¤ºã—ãŸç†±ç‹‚ã«è¿‘ã„ã‚‚ã®ã‚’æ„Ÿã˜ã‚‹ã€‚ twitterã§ã¯ã€
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https://docs.google.com/viewer?a=v&q=cache:o0g6ONeGemcJ:www.erlang-factory.com/upload/presentations/31/EugeneLetuchy-ErlangatFacebook.pdf+architecture+of+facebook&hl=en&gl=sg&pid=bl&srcid=ADGEESiw63ZXSvf3kF4c-tTuKgPrHYucnpVY2FNqzV3vwY12fTxebQwEQMhf9PLmeEVV
http://www.erlang.org/doc/installation_guide/part_frame.html
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