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Technologies - IBM Developer
Artificial intelligenceNext generation resources for AI builders to create trusted solutions
d6rkaiz 2009/10/29
IBM

CouchDB

MapReduce

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IBM Developer
d6rkaiz 2009/10/29
IBM

CouchDB

MapReduce
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IBM Developer
IBM Developer is your one-stop location for getting hands-on training and learning in-demand skills on relevant techno logies such as generative AI, data science, AI, and open source.
d6rkaiz 2009/10/29
IBM

CouchDB

MapReduce

Ruby on Rails
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IBM Developer
IBM Developer is your one-stop location for getting hands-on training and learning in-demand skills on relevant techno logies such as generative AI, data science, AI, and open source.
d6rkaiz 2009/10/29
IBM

CouchDB

MapReduce
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MapReduce on Tyrant - mixi engineer blog
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d6rkaiz 2009/04/06
MapReduce

mixi
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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¨
d6rkaiz 2008/05/13
MapReduce

GFS

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Hadoop
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