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starsky5 id:starsky5

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MapReduceã®Javaå®Ÿè£…Apache Hadoopã‚’ä½¿ã£ã¦ã¿ãŸ (1/3) - @IT
MapReduceã®Javaå®Ÿè£…Apache Hadoopã‚’ä½¿ã£ã¦ã¿ãŸï¼šã„ã¾å†æ³¨ç›®ã®åˆ†æ•£å‡¦ç†æŠ€è¡“ï¼ˆå¾Œç·¨ï¼‰ï¼ˆ1/3 ãƒšãƒ¼ã‚¸ï¼‰ æœ€è¿‘æ³¨ç›®ã‚’æµ´ã³ã¦ã„ã‚‹åˆ†æ•£å‡¦ç†æŠ€è¡“ã€ŒMapReduceã€ã®åˆ©ç‚¹ã‚’ã‚µãƒ³ãƒ—ãƒ«ã‹ã‚‰ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ãƒ¬ãƒ™ãƒ«ã§ç†è§£ã—ã€æ˜”ã‹ã‚‰ã‚ã‚‹Javaé–¢é€£ã®åˆ†æ•£å‡¦ç†æŠ€è¡“ã‚’è¦‹ç›´ã™ç‰¹é›†ä¼ç”»ï¼ˆç·¨é›†éƒ¨ï¼‰ Apache Hadoopãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã¨ã¯ä½•ã‹ï¼Ÿ æœ¬ç‰¹é›†ã§ã¯ã€ã„ã¾å†æ³¨ç›®ã®åˆ†æ•£å‡¦ç†æŠ€è¡“ã«ã¤ã„ã¦ã„ã‚ã„ã‚ã¨ç´¹ä»‹ã—ã¦ãã¾ã—ãŸã€‚å‰ç·¨ã®ã€ŒGoogleã®MapReduceã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã‚’Javaã§ç†è§£ã™ã‚‹ã€ã§ã¯ã€åˆ†æ•£å‡¦ç†æŠ€è¡“ã§æœ€è¿‘æ³¨ç›®ã‚’æµ´ã³ã¦ã„ã‚‹ã‚‚ã®ã¨ã—ã¦ã€ã‚°ãƒ¼ã‚°ãƒ«ã®MapReduceã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã‚’ç´¹ä»‹ã—ã€ä¸ç·¨ã®ã€Œã‚¤ãƒã‚¤ãƒãªåˆ†æ•£å‡¦ç†æŠ€è¡“ã¨ã‚¤ãƒžãƒ‰ã‚ã®Webã‚µãƒ¼ãƒ“ã‚¹ã€ã§ã¯ã€MapReduceã«è‡³ã‚‹ã¾ã§ã®ã•ã¾ã–ã¾ãªåˆ†æ•£å‡¦ç†æŠ€è¡“ã‚„Webã‚µãƒ¼ãƒ“ã‚¹ã«ã¤ã„ã¦ç´¹ä»‹ã—ã¾ã—ãŸã€‚ ãã®MapReduceã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã‚’Javaã§å®Ÿè£…ã—ãŸã‚‚
starsky5 2011/08/16
mapreduce

hadoop

programming
ãƒªãƒ³ã‚¯
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starsky5 2010/11/05
mapreduce

dsl

sawzall

google
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æ—¥æœ¬Javaãƒ¦ãƒ¼ã‚¶ãƒ¼ã‚°ãƒ«ãƒ¼ãƒ—
æ—¥æœ¬Javaãƒ¦ãƒ¼ã‚¶ãƒ¼ã‚°ãƒ«ãƒ¼ãƒ—ã¯Java æŠ€è¡“ã®å‘ä¸Šãƒ»ç™ºå±•ã¨ä¸€å±¤ã®æ™®åŠãƒ»æ´»æ€§åŒ–ã‚’ç›®æŒ‡ã™ä»»æ„å›£ä½“ã§ã™ã€‚è©³ã—ãã¯ã“ã¡ã‚‰ã‹ã‚‰ã€‚
starsky5 2010/10/28
mapreduce
ãƒªãƒ³ã‚¯
Skynetâˆ’æ–°ã—ã„Rubyã®MapReduce
ãƒ‡ãƒ¼ã‚¿å‡¦ç†ã‚’åˆ†æ•£ã•ã›ã‚‹MapReduceè¨è¨ˆãƒ‘ã‚¿ãƒ¼ãƒ³(source)ãŒ2004å¹´ã«Googleã«ã‚ˆã£ã¦å°Žå…¥ã•ã‚Œã€ãã‚Œã«ã¯C++ã®å®Ÿè£…ãŒã¤ã„ã¦ããŸã€‚ä»Šã§ã¯ã€Adam Pisoniæ°(ã‚µã‚¤ãƒˆãƒ»è‹±èªž)ãŒSkynet(ã‚µã‚¤ãƒˆãƒ»è‹±èªž)ã¨ã„ã†åç§°ã§ãƒªãƒªãƒ¼ã‚¹ã—ãŸæ–°ã—ã„Rubyã§ã®å®Ÿè£…ç‰ˆãŒåˆ©ç”¨å¯èƒ½ã ã€‚ Skynetã¯é †å¿œæ€§ãŒã‚ã‚Šã€è‡ªå‹•ã‚¢ãƒƒãƒ—ã‚°ãƒ¬ãƒ¼ãƒ‰æ©Ÿèƒ½ä»˜ãã§è€éšœå®³æ€§ã®å®Œå…¨åˆ†æ•£åž‹ã‚·ã‚¹ãƒ†ãƒ ã§ã€å˜ä¸€éšœå®³ç‚¹ã¯çš†ç„¡ã§ã™ã€‚ Googleã®ãƒ‡ã‚¶ã‚¤ãƒ³ãƒšãƒ¼ãƒ‘ãƒ¼ã¨Skynetã«ã¯è‘—ã—ãé‡è¦ãªç›¸é•ç‚¹ãŒ2ã¤ã‚ã‚‹ã€‚ SkynetãŒç”Ÿã‚³ãƒ¼ãƒ‰ã‚’ãƒ¯ãƒ¼ã‚«ãƒ¼ã«é€ã‚Œãªã„ã“ã¨ã€‚ Skynetã¯ãƒ”ã‚¢ãƒ»ãƒªã‚«ãƒãƒªã‚·ã‚¹ãƒ†ãƒ ã‚’åˆ©ç”¨ã—ã¦ãŠã‚Šã€ãƒ¯ãƒ¼ã‚«ãƒ¼ãŒãŠäº’ã„ã‚’ç›£è¦–ã—ã¦ã„ã‚‹ã“ã¨(ã‚µã‚¤ãƒˆãƒ»è‹±èªž)ã€‚ ç†ç”±ãŒä½•ã§ã‚ã‚Œãƒ¯ãƒ¼ã‚«ãƒ¼ãŒæ•…éšœã™ã‚‹ã€ã‚ã‚‹ã„ã¯æ©Ÿèƒ½ã—ãªããªã‚‹ã¨ã€åˆ¥ã®ãƒ¯ãƒ¼ã‚«ãƒ¼ãŒæ°—ä»˜ã„ã¦ã€ãã®ã‚¿ã‚¹ã‚¯ã‚’å¼•ãç¶™ãŽã¾ã™ã€‚ã¾ãŸã€Skynetã«ã¯ç‰¹åˆ¥ãªã€Œãƒžã‚¹ã‚¿ãƒ¼ã€ã‚µãƒ¼ãƒã¯å˜åœ¨ã›
starsky5 2010/10/28
mapreduce

ruby
ãƒªãƒ³ã‚¯
ã“ã£ã¡ã¯æœ¬ç‰©ã®MapReduceã ï¼ ã‚°ãƒ¼ã‚°ãƒ«ãŒAppEngine-MapReduceã‚’ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã§é–‹ç™ºä¸
ã“ã£ã¡ã¯æœ¬ç‰©ã®MapReduceã ï¼ ã‚°ãƒ¼ã‚°ãƒ«ãŒAppEngine-MapReduceã‚’ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã§é–‹ç™ºä¸ ã‚°ãƒ¼ã‚°ãƒ«ã¯Google App Engineä¸Šã§MapReduceå‡¦ç†ã‚’å®Ÿç¾ã™ã‚‹ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã‚’é–‹ç™ºä¸ã ã¨ã€å…ˆæ—¥è¡Œã‚ã‚ŒãŸã‚¤ãƒ™ãƒ³ãƒˆGoogle I/Oã§æ˜Žã‚‰ã‹ã«ã—ã¦ã„ã¾ã™ã€‚ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã®ãƒ›ãƒ¼ãƒ ãƒšãƒ¼ã‚¸ã‚‚Google Codeä¸Šã«ã€Œappengine-mapreduce - Project Hosting on Google Codeã€ã¨ã—ã¦å…¬é–‹ã•ã‚Œã¦ã„ã¾ã™ã€‚ Reduceå‡¦ç†ã‚„Javaç‰ˆã¯ã“ã‚Œã‹ã‚‰ 1ã¤å‰ã®è¨˜äº‹ã€Œã‚°ãƒ¼ã‚°ãƒ«ã«ã‚ˆã‚‹MapReduceã‚µãƒ¼ãƒ“ã‚¹ã€ŒBigQueryã€ãŒç™»å ´ã€‚SQLãƒ©ã‚¤ã‚¯ãªå‘½ä»¤ã§å¤§è¦æ¨¡ãƒ‡ãƒ¼ã‚¿æ“ä½œã€ã§ã¯ã€ã‚°ãƒ¼ã‚°ãƒ«ãŒSQLãƒ©ã‚¤ã‚¯ãªå‘½ä»¤ã‚’ç”¨ã„ã¦å¤§è¦æ¨¡ãƒ‡ãƒ¼ã‚¿å‡¦ç†ã®ã‚µãƒ¼ãƒ“ã‚¹ã‚’æä¾›ã™ã‚‹ã“ã¨ã‚’ãŠä¼ãˆã—ã¾ã—ãŸã€‚ è¨˜äº‹ã§ã‚‚æ›¸ã„ãŸã¨ãŠã‚Šã€ã“ã‚Œã¯å†…éƒ¨ã§MapReduceã‚’ä½¿ã£ã¦ã„ã‚‹ã‹ã©
starsky5 2010/05/26
mapreduce

google
ãƒªãƒ³ã‚¯
MapReduce on #appengine ã‚ã‚¿ã‚³ãƒ¬ï¼ï¼Ÿ - ã‚¹ãƒ†ã‚£ãƒ«ãƒã‚¦ã‚¹ã®æ›¸åº«ã®æ›¸åº«
ã²ãŒã•ã‚“ãŒè¦‹ã¤ã‘ãŸæ›¸ãè¾¼ã¿ï¼š 30 sec execution limitation only to web requests or to all requests ? We've committed to map/reduce support to help make this easier on our roadmap for a future release. MapReduceã‚ã‚¿ã‚³ãƒ¬ï¼ã€€ã„ã¤ã®ã¾ã«ã‚³ãƒŸãƒƒãƒˆï¼ˆï¼ç¢ºç´„ï¼‰ã—ã¦ãŸãªã‚“ã¦ã€‚ã€‚ ä»¥å‰ã®Google I/Oãƒ“ãƒ‡ã‚ªã§ã¯ã€ŒMapReduceã¯ã„ã¤ã‚µãƒãƒ¼ãƒˆã™ã‚‹ã®ï¼Ÿã€ã¨ã„ã†è³ªå•ã«ã€Œãã‚Œã«ã¯ã‚„ã‚‹ã¹ãã“ã¨ãŒãŸãã•ã‚“ã‚ã‚‹ãªãã€‚ã€‚ã€çš„ãªè§£ç”ã§ã—ãŸã—ã€ãƒãƒ¼ãƒ‰ãƒžãƒƒãƒ—ã«ã‚‚è¼‰ã£ã¦ã„ã¾ã›ã‚“ã§ã—ãŸã‹ã‚‰ã€MapReduceã‚µãƒãƒ¼ãƒˆã¯é ã„å…ˆãªæ„Ÿã˜ã§ã—ãŸã€‚ ãŒã€Google I/O 2010ã‚»ãƒƒã‚·ãƒ§ãƒ³ä¸€è¦§ã«ã¯ã€ŒBuilding high-throughput d
starsky5 2010/03/25
mapreduce

google app engine
ãƒªãƒ³ã‚¯
DBI ã‚’ãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰ã«ã—ãŸ CouchDB ã¿ãŸã„ãªã® - é…’æ—¥è¨˜ ã¯ã¦ãªæ”¯åº—
CouchDB ã¯é¢ç™½ã„ã®ã§ã™ãŒã€Erlang ã§æ›¸ã‹ã‚ŒãŸ daemon ã‚’å‹•ã‹ã™å¿…è¦ãŒã‚ã‚‹ã®ã§ã€ç’°å¢ƒã«ã‚ˆã£ã¦ã¯ä½¿ã„ã«ãã„ã€‚ ã¨ã„ã†ã“ã¨ã§ã€Perl + DBI ã®ã¿ã§ä¼¼ãŸã‚ˆã†ãªå‹•ä½œã‚’ã™ã‚‹ã‚‚ã®ã‚’ä½œã£ã¦ã¿ã¾ã—ãŸã€‚daemon ã˜ã‚ƒãªãã¦ã€Perl ã‹ã‚‰ç›´æŽ¥ DB ã‚’æ‰±ã†ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã§ã™ã€‚ Coderepos ã«ç½®ãã¾ã—ãŸã€‚http://svn.coderepos.org/share/lang/perl/DBIx-CouchLike/trunk ã§ãã‚‹ã“ã¨ã¯å˜ç´”ã€‚ (key => ä»»æ„ã®æ§‹é€ ã® hash ref) ã® CRUD CouchDB ã½ã„ map / reduce å¯¾å¿œã—ã¦ã„ã‚‹ DBD ã¯ã¨ã‚Šã‚ãˆãš SQLite ã¨ PostgreSQL ã§ã€‚ CRUD use DBIx::CouchLike; use DBI; $dbh = DBI->connect("dbi:SQLite:dbna
starsky5 2009/05/28
mapreduce

perl

cpan
ãƒªãƒ³ã‚¯
MapReduce on Tyrant - mixi engineer blog
å…ˆæ—¥ã€éš…ç”°å·ã®å±‹å½¢èˆ¹ã§èŠ±è¦‹ã¨æ´’è½è¾¼ã‚“ã ã®ã§ã™ãŒã€ãã®æ—¥ã¯ã¾ã ä¸€åˆ†å’²ãã‚‚è¡Œã£ã¦ãªãã¦æ‚²ã—ã„æ€ã„ã‚’ã—ãŸmikioã§ã™ã€‚ä»Šå›žã¯Tokyo Tyrantï¼ˆTTï¼‰ã«æ ¼ç´ã—ãŸãƒ‡ãƒ¼ã‚¿ã‚’å¯¾è±¡ã¨ã—ã¦MapReduceã®ãƒ¢ãƒ‡ãƒ«ã«åŸºã¥ãè¨ˆç®—ã‚’ã™ã‚‹æ–¹æ³•ã«ã¤ã„ã¦è¿°ã¹ã¾ã™ã€‚ MapReduceã¨ã¯ GoogleãŒä½¿ã£ã¦ã„ã‚‹ã¨ã„ã†åˆ†æ•£å‡¦ç†ã®è¨ˆç®—ãƒ¢ãƒ‡ãƒ«ãŠã‚ˆã³ãã®å®Ÿè£…ã®ã“ã¨ã ãã†ã§ã™ãŒã€è©³ã—ã„ã“ã¨ã¯ã‚°ã‚°ã£ã¦ãã ã•ã„ã€‚Googleã«ã‚ˆã‚‹å‡ºè‡ªã®è«–æ–‡ã‚„Apacheãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã«ã‚ˆã‚‹Hadoopãªã©ã®ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹å®Ÿè£…ã«ã‚ãŸã‚‹ã®ã‚‚ã‚ˆã„ã§ã—ã‚‡ã†ï¼ˆç§ã¯ä¸¡è€…ã¨ã‚‚è©³ã—ãè¦‹ã¦ã„ã¾ã›ã‚“ãŒï¼‰ã€‚ ä»Šå›žã®è¶£æ—¨ã¯ã€CouchDBãŒMapReduceã¨ç§°ã—ã¦JavaScriptã§å®Ÿç¾ã—ã¦ã„ã‚‹ãƒ‡ãƒ¼ã‚¿é›†è¨ˆæ–¹æ³•ã‚’TTã¨TCã¨Luaã§ã‚„ã£ã¦ã¿ã‚ˆã†ã˜ã‚ƒãªã„ã‹ã¨ã„ã†ã“ã¨ã§ã™ã€‚ç°¡å˜ã«è¨€ãˆã°ã€ä»¥ä¸‹ã®å‡¦ç†ã‚’å®Ÿè£…ã—ã¾ã™ã€‚ ãƒ¦ãƒ¼ã‚¶ã‹ã‚‰è¨ˆç®—é–‹å§‹ãŒæŒ‡ç¤ºã•ã‚Œã‚‹ã¨ã€TTã¯ã€DBå†…ã®
starsky5 2009/04/06
mapreduce

mixi

lua

tokyotyrant

programming

tips

tokyocabinet
ãƒªãƒ³ã‚¯
MapReduce - naoyaã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼
"MapReduce" ã¯ Google ã®ãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰ã§åˆ©ç”¨ã•ã‚Œã¦ã„ã‚‹ä¸¦åˆ—è¨ˆç®—ã‚·ã‚¹ãƒ†ãƒ ã§ã™ã€‚æ¤œç´¢ã‚¨ãƒ³ã‚¸ãƒ³ã®ã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹ä½œæˆã‚’ã¯ã˜ã‚ã¨ã™ã‚‹ã€å¤§è¦æ¨¡ãªå…¥åŠ›ãƒ‡ãƒ¼ã‚¿ã«å¯¾ã™ã‚‹ãƒãƒƒãƒå‡¦ç†ã‚’æƒ³å®šã—ã¦ä½œã‚‰ã‚ŒãŸã‚·ã‚¹ãƒ†ãƒ ã§ã™ã€‚ MapReduce ã®é¢ç™½ã„ã¨ã“ã‚ã¯ã€map() ã¨ reduce() ã¨ã„ã†äºŒã¤ã®é–¢æ•°ã®çµ„ã¿åˆã‚ã›ã‚’å®šç¾©ã™ã‚‹ã ã‘ã§ã€å¤§è¦æ¨¡ãƒ‡ãƒ¼ã‚¿ã«å¯¾ã™ã‚‹æ§˜ã€…ãªè¨ˆç®—å•é¡Œã‚’è§£æ±ºã™ã‚‹ã“ã¨ãŒã§ãã‚‹ç‚¹ã§ã™ã€‚ MapReduce ã®è¨ˆç®—ãƒ¢ãƒ‡ãƒ« map() ã«ã¯ãã®è¨ˆç®—å•é¡Œã®ãƒ‡ãƒ¼ã‚¿ã¨ã—ã¦ã® key-value ãƒšã‚¢ãŒæ¬¡ã€…ã«æ¸¡ã£ã¦ãã¾ã™ã€‚map() ã§ã¯ key-value å€¤ã®ãƒšã‚¢ã‚’ç•°ãªã‚‹è¤‡æ•°ã® key-value ãƒšã‚¢ã«å¤‰æ›ã—ã¾ã™ã€‚reduce() ã«ã¯ã€map() ã§ä½œã£ãŸ key-value ãƒšã‚¢ã‚’åŒä¸€ã® key ã§æŸããŸã‚‚ã®ãŒé †ç•ªã«æ¸¡ã£ã¦ãã¾ã™ã€‚ãã® key-values ãƒšã‚¢ã‚’ä»»æ„ã®å½¢å¼ã«å¤‰æ›ã™ã‚‹ã“ã¨
starsky5 2008/11/14
algorithm

database

google

mapreduce

perl

programming

search
ãƒªãƒ³ã‚¯
Disco MapReduce
Disco is a lightweight, open-source framework for distributed computing based on the MapReduce paradigm. Disco is powerful and easy to use, thanks to Python. Disco distributes and replicates your data, and schedules your jobs efficiently. Disco even includes the tools you need to index billions of data points and query them in real-time. Disco was born in Nokia Research Center in 2008 to solve rea
starsky5 2008/11/14
erlang

python

mapreduce
ãƒªãƒ³ã‚¯
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