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ã¡ãªã¿ã«ã€ã“ã®åˆ†æžã®ãŸã‚ã«å¿…è¦ã¨ã•ã‚Œã‚‹MapReduceã®ã‚³ãƒ¼ãƒ‰ã§ã‚ã‚‹ãŒã€ãã®ã‚µã‚¤ã‚ºã¯ã‚ãšã‹20ã‚¹ãƒ†ãƒƒãƒ—ã ã¨ã„ã†ã€‚Yahoo!ã®ãƒ—ãƒ¬ã‚¼ãƒ³ãƒ†ãƒ¼ã‚¿ãƒ¼ã§ã‚ã‚‹ã€ã‚¨ãƒªãƒƒã‚¯ãƒ»ãƒãƒ«ãƒ‡ã‚·ãƒ¥ãƒã‚¤ãƒ©ãƒ¼æ°ã«ã‚ˆã‚‹ã¨ã€ãŸã¨ãˆçµŒé¨“ã®æµ…ã„ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã§ã‚ã£ã¦ã‚‚ã€MapReduceã«ã‚ˆã‚‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã¯å¯èƒ½ã§ã‚ã‚‹ã¨ã•ã‚Œã‚‹ã€‚ ã¾ãŸã€VISAã®ã‚¸ãƒ§ãƒ¼ãƒ»ã‚«ãƒ‹ãƒ³ã‚¬ãƒ æ°ã‹ã‚‰ã‚‚ã€è²´é‡ãªãƒ‡ãƒ¼ã‚¿ãŒæä¾›ã•ã‚Œã¦ã„ãŸã®ã§ä»¥ä¸‹ã«ç´¹ä»‹ã™ã‚‹ã€‚åŒç¤¾ã§ã¯ã€1æ—¥ã«1å„„ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³ãŒç™ºç”Ÿã™ã‚‹ãŸã‚ã€2å¹´é–“ã§700å„„å¼·ã®ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³ãƒã‚°ãŒè“„ç©ã•ã‚Œã€ãã®ãƒ‡ãƒ¼ã‚¿é‡ã¯36ãƒ†ãƒ©ãƒã‚¤ãƒˆã«è‡³ã‚‹ã¨ã„ã†ã€‚ã“ã†ã—ãŸã‚¹ã‚±ãƒ¼ãƒ«ã®ãƒ‡ãƒ¼ã‚¿ã‚’ã€å¾“æ¥ã®RDBã‚’ç”¨ã„ã¦åˆ†æžã™ã‚‹ã«ã¯ã€ç´„1ã‚«æœˆã®æ™‚é–“ãŒå¿…è¦ã¨ã•ã‚Œã¦ããŸãŒã€Hadoopã‚’ç”¨ã„ã‚‹ã“ã¨ã§13åˆ†ã«çŸç¸®ã•ã‚ŒãŸã¨ã„ã†ã€‚ ã“ã‚Œã¾ã§ã¯ã€Yahoo!ã«ã—ã‚VISAã«ã—ã‚ã€è†¨å¤§ãªãƒ‡ãƒ¼ã‚¿ã‚’RDBã«æŠ¼ã—è¾¼ã‚€ã»ã‹ã«æ–¹æ³•ã¯ãªãã€ãã®åˆ†æžã«æ•°åæ—¥ã‚’è¦ã™ã‚‹
bull2 2009/10/15
hadoop

cloud
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SOSP 2009é©å½“ã¾ã¨ã‚ - moratorium
SOSP 2009é©å½“ã¾ã¨ã‚ 2009-08-24 (Mon) 4:39 Uncategorized ã‚·ã‚¹ãƒ†ãƒ ç³»ã§ã¯æœ€é«˜å³°ã®å¦ä¼šSOSPã®æœ€æ–°ã®è«–æ–‡ãŒå…¬é–‹ã•ã‚Œã¦ã„ãŸã®ã‚’è¦‹ã¤ã‘ãŸã®ã§ã€é©å½“ã«æµã—èªã¿ã—ã¦ã¿ã¾ã—ãŸã€‚ SOSP 2009: Technical Programs ä¸»ã«åƒ•ã®èˆˆå‘³ã®æœ‰ã‚‹ã‚„ã¤ã«ãªã‚Šã¾ã™ã€‚ç„¡ã„ã®ã¯ãƒªã‚¹ãƒˆã«ã™ã‚‰å…¥ã£ã¦ãªã„ã®ã§ã€ã”æ³¨æ„ã‚’ã€‚ç‰¹ã«ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£å‘¨ã‚Šã¨ã‹ã€‚ã—ã‹ã—Hadoopã‚’åˆ©ç”¨ã—ãŸè«–æ–‡ãŒçµæ§‹å¤šã„ã€‚MapReduceæµè¡Œã‚ŠéŽãŽã€‚ - FAWN: A Fast Array of Wimpy Nodes é…ã„CPUã¨Flashãƒ‰ãƒ©ã‚¤ãƒ–ã‚’ä¸¦ã¹ã¦ä½Žæ¶ˆè²»é›»åŠ›ãªã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã‚’ä½œã‚‹ã¨ã„ã†ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ã€ŒFAWNã€ã‚’ææ¡ˆã€‚ã“ã®ä¸Šã«ã€ŒFAWN-KVã€ã¨å‘¼ã°ã‚Œã‚‹Key-Value Storeã‚’ä½œæˆã—ã€å®Ÿé¨“ã‚’è¡Œã£ãŸã€‚Chain-Replicationã€ãƒŽãƒ¼ãƒ‰è¿½åŠ æ™‚ã®ãƒ—ãƒãƒˆã‚³ãƒ«ç‰ãŒè©³ã—ãè¼‰ã£ã¦
bull2 2009/08/24
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hadoop

mapreduce
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Preferred Infrastructureï¼ˆPFIï¼‰ã¨NTTãƒ¬ã‚¾ãƒŠãƒ³ãƒˆãŒå…±åŒã§Hadoopã«é–¢ã™ã‚‹èª¿æŸ»ã‚’è¡Œã„ã€ãã®å ±å‘Šæ›¸ãŒPDFã«ã¦å…¬é–‹ã•ã‚Œã¦ã„ã¾ã™ã€‚ Hadoopã¯Googleã®MapReduceï¼ˆç·¨æ³¨ï¼‰ã‚’Javaã§å®Ÿè£…ã—ãŸã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ãƒ—ãƒãƒ€ã‚¯ãƒˆã§ã€å ±å‘Šæ›¸ã§ã¯GoogleãŒæŒã£ã¦ã„ã‚‹æ©Ÿèƒ½ã‚’Hadoopã§ã¯ã©ã†å®Ÿè£…ã•ã‚Œã¦ã„ã‚‹ã®ã‹ã‚’ã€è©²å½“ã‚½ãƒ¼ã‚¹ã®ãƒã‚¤ãƒ³ã‚¿ã‚’å«ã‚ã¦è¨˜è¼‰ã—ã¦ã„ã¾ã™ã€‚ Googleã®åˆ†æ•£ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã§ã‚ã‚‹GFSï¼ˆGoogle File Systemï¼‰ã¯ã€Hadoopã§ã¯HDFSï¼ˆHadoop DistributedFile Systemï¼‰ã«ã¦å®Ÿç¾ã—ã¦ã„ã¾ã™ã€‚GFSãŒæä¾›ã—ã¦ã„ã‚‹ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ æ©Ÿèƒ½ã®ã»ã¨ã‚“ã©ã¯HDFSã§ã‚‚æä¾›ã—ã¦ã„ã¾ã™ã€‚ãŸã ã—ã€èª¿æŸ»ã‚’è¡Œã£ãŸHadoop0.16.4ã§ã¯ã€Œãƒ•ã‚¡ã‚¤ãƒ«ã®ãƒ©ãƒ³ãƒ€ãƒ æ›¸ãè¾¼ã¿ã€ã¨ã€Œãƒ•ã‚¡ã‚¤ãƒ«ã®ã‚¢ãƒˆãƒŸãƒƒã‚¯ãªè¿½è¨˜ã€ã¯å®Ÿç¾ã§ãã¦ã„ã¾ã›ã‚“ï¼ˆå¾Œè€…
bull2 2008/10/28
hadoop

google
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Hadoopã®è§£æžè³‡æ–™
ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹åˆ†æ•£ã‚·ã‚¹ãƒ†ãƒ ã€ŒHadoopã€ã«é–¢ã™ã‚‹è§£æžè³‡æ–™ã‚’å…¬é–‹ã•ã›ã¦é ‚ã„ã¦ãŠã‚Šã¾ã™ã€‚ã“ã®èª¿æŸ»ã¯NTTãƒ¬ã‚¾ãƒŠãƒ³ãƒˆæ ªå¼ä¼šç¤¾æ§˜ã¨å…±åŒã§è¡Œã„ã¾ã—ãŸ(ãƒ—ãƒ¬ã‚¹ãƒªãƒªãƒ¼ã‚¹)ã€‚ Hadoopè§£æžè³‡æ–™(PDF), æœ€çµ‚æ›´æ–°: 2008/08/25, å…¬é–‹: 2008/08/25 Hadoopã®å®Ÿéš›ã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«æ–¹æ³•ãªã©ã«ã¤ãã¾ã—ã¦ã¯ã€å¼Šç¤¾å¤ªç”°ã«ã‚ˆã‚‹ä»¥ä¸‹ã®è¨˜äº‹ã‚‚ã”å‚è€ƒä¸‹ã•ã„ã€‚ Hadoopã€hBaseã§æ§‹ç¯‰ã™ã‚‹å¤§è¦æ¨¡åˆ†æ•£ãƒ‡ãƒ¼ã‚¿å‡¦ç†ã‚·ã‚¹ãƒ†ãƒ Hadoopã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã¨ã‚µãƒ³ãƒ—ãƒ«ãƒ—ãƒã‚°ãƒ©ãƒ ã®å®Ÿè¡Œ è¤‡æ•°ãƒžã‚·ãƒ³ã¸Hadoopã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹
bull2 2008/08/26
google

hadoop

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