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hadoopã«é–¢ã™ã‚‹tomoemonã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (12)

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HBase ACID semantics - kuangueã®æ—¥è¨˜
HBaseã®ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆãŒæ›¸ãè¾¼ã¿ã‚’è¡Œã£ãŸæ™‚ã«ã€èªã¿è¾¼ã¿å¯èƒ½ã«ãªã‚‹ã®ã¯ã„ã¤ãªã®ã‹ã¨ã„ã†ã®ãŒæ°—ã«ãªã£ã¦ããŸã®ã§ã€èª¿ã¹ã¦ãŸã‚‰Apache HBase â€“ Apache HBase (TM) ACID Propertiesã«ãƒãƒƒãƒãƒªãªãƒšãƒ¼ã‚¸ã‚’ç™ºè¦‹ã—ãŸã®ã§èªã‚“ã§ã¿ã‚‹ã“ã¨ã«ã—ãŸã€‚ ACIDå®šç¾© Atomicity:ã‚ªãƒšãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã¯ã€å…¨ã¦å®Œäº†ã™ã‚‹ã‹ã€å…¨ãå®Œäº†ã—ãªã„ã‹ã®ã©ã¡ã‚‰ã‹ã«ãªã‚‹ã€‚ Consistency:å…¨ã¦ã®ã‚¢ã‚¯ã‚·ãƒ§ãƒ³ã«ã‚ˆã£ã¦ã€å¦¥å½“ãªãƒ†ãƒ¼ãƒ–ãƒ«çŠ¶æ…‹ã‹ã‚‰åˆ¥ã®å¦¥å½“ãªãƒ†ãƒ¼ãƒ–ãƒ«ã®çŠ¶æ…‹ã«é·ç§»ã™ã‚‹ã€‚ä¾‹ãˆã°ã€æ›´æ–°ã®é€”ä¸çŠ¶æ…‹ãŒè¦‹ãˆãŸã‚Šã¯ã—ãªã„ã€‚ Isolation:ä¸¦åˆ—ã§å®Ÿè¡Œä¸ã®ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³ã¯ã€ãŠäº’ã„å½±éŸ¿ã›ãšç‹¬ç«‹ã—ã¦ã„ã‚‹ã‚ˆã†ã«è¦‹ãˆã‚‹ã“ã¨ã€‚ Durability:ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã«æˆåŠŸã‚’è¿”å´ã—ãŸæ›´æ–°ãƒ‡ãƒ¼ã‚¿ã¯ã€å–ªå¤±ã—ãªã„ã€‚ Visibility:æ›´æ–°ãŒå®Œäº†ã—ãŸãƒ‡ãƒ¼ã‚¿ã¯ã€ç¶šã„ã¦èªã¿è¾¼ã¿ã‚’ã‹ã‘ãŸã¨ãã«ã€ãã®æ›´æ–°ãŒread
tomoemon 2014/09/05
hbase

hadoop
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Apache HBase Low Latency
The document discusses latency in HBase, detailing how to measure it and the factors affecting it during read and write processes. Key insights include the importance of network latency, HDFS flush delays, and memory management in achieving low latency, with a focus on optimizing configurations and pooling connections. The document also explores next steps for improvement, em phasizing the need for
tomoemon 2014/06/10
hadoop
ãƒªãƒ³ã‚¯
BestFreeCams.club - Only the Best Free Live Cams
tomoemon 2014/06/10
hadoop
ãƒªãƒ³ã‚¯
Osc2012 spring HBase Report
OSC 2012 Tokyo Spring HBaseã®IOã®ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ã¨ã€æ€§èƒ½æ¤œè¨¼ã€Zabbixã§ã®æ€§èƒ½ç›£è¦–ã®ç™ºè¡¨è³‡æ–™ã§ã™ã€‚ OSCã®ã‚µã‚¤ãƒˆã«ã‚‚æŽ²è¼‰ã•ã‚Œã¦ã„ã¾ã™ã€‚
tomoemon 2014/06/10
hadoop
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Data-Intensive Text Processing with MapReduce
Jimmy Lin and Chris Dyer. Morgan & Claypool Publishers, 2010. Our world is being revolutionized by data-driven methods: access to large amounts of data has generated new insights and opened exciting new opportunities in commerce, science, and computing applications. Processing the enormous quantities of data necessary for these advances requires large clusters, making distributed computing paradig
tomoemon 2013/12/11
http://www.amazon.co.jp/dp/4873115124 ã®åŽŸè‘—

programming

book

text

hadoop
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tomoemon 2012/07/25
hadoop
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hadoopã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³è¡¨è¨˜ã«ã¤ã„ã¦ - ç§‘å¦ã¨éžç§‘å¦ã®è¿·å®®
(2012/01/10 è¿½è¨˜) Cloudera ç¤¾ã‹ã‚‰ hadoop 1.0 ã«é–¢ã™ã‚‹å…¬å¼ãƒ–ãƒã‚°è¨˜äº‹ãŒå…¬é–‹ã•ã‚Œã¾ã—ãŸã€‚ãã¡ã‚‰ã®æ–¹ãŒã‚ˆã‚Šåˆ†ã‹ã‚Šã‚„ã™ãæ£ç¢ºã«æ›¸ã„ã¦ã„ã¾ã™ã€‚ã¾ãšã¯ãã¡ã‚‰ã‚’ã”è¦§ãã ã•ã„ã€‚ å…ˆæ—¥ hadoop-1.0 ãŒãƒªãƒªãƒ¼ã‚¹ã•ã‚ŒãŸã“ã¨ãŒå··ã§è©±é¡Œã«ãªã£ã¦ã„ã¾ã™ã€‚ è©±é¡Œã«ãªã‚‹ã“ã¨è‡ªä½“ã¯æ§‹ã‚ãªã„ã®ã§ã™ãŒã€ã“ã® 1.0 ãŒå®Ÿã¯ 0.20 ç³»ã®æ´¾ç”Ÿã ã¨ã„ã†ã“ã¨ã¯ã‚ã¾ã‚Šç†è§£ã•ã‚Œã¦ã„ãªã„ã‚ˆã†ã«è¦‹ãˆã¾ã™ã€‚ 1.0.0 ã¯å¾“æ¥ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ãƒŠãƒ³ãƒãƒªãƒ³ã‚°ãƒãƒªã‚·ãƒ¼ã§è¨€ãˆã° 0.20.205.1 ã«ç›¸å½“ã™ã‚‹ã‚‚ã®ã§ã™ã€‚ ã¤ã¾ã‚Šã€æœ€æ–°ç‰ˆ 0.23 ã§æŽ¡ç”¨ã•ã‚ŒãŸ MapReduce2 ã‚’åˆã‚ã¨ã™ã‚‹æ§˜ã€…ãªæ–°æ©Ÿèƒ½ã¯ã“ã® 1.0 ã«ã¯å…¥ã£ã¦ã„ãªã„ã¨ã„ã†ã“ã¨ã§ã™ã€‚ ã‚ã‹ã‚Šã‚„ã™ãå›³ã«ã—ã¦ã¿ã¾ã—ãŸã€‚ ã‚ˆã£ã¦ã€æ–°æ©Ÿèƒ½ã‚’è©¦ã—ãŸã„ã¨ã‹ã„ã†äººã«ã¯å…¨ããŠã™ã™ã‚ã—ã¾ã›ã‚“ã€‚ ã¾ãŸã€ä¸Šè¨˜ã®é€šã‚Šæ—¢å˜ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã¨ãªã‚“ã‚‰å¤‰ã‚ã‚ŠãŒãªã„ã®ã§ã€ãŸ
tomoemon 2012/07/25
hadoop
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Running Hadoop On Ubuntu Linux (Single-Node Cluster)
In this tutorial I will describe the required steps for setting up a pseudo-distributed, single-node Hadoop cluster backed by the Hadoop Distributed File System, running on Ubuntu Linux. Prerequisites Sun Java 6 Adding a dedicated Hadoop system user Configuring SSH Disabling IPv6 Alternative Hadoop Installation Update $HOME/.bashrc Excursus: Hadoop Distributed File System (HDFS) Configuration hado
tomoemon 2012/07/23
hadoop
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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.
tomoemon 2012/07/23
hadoop
ãƒªãƒ³ã‚¯
Hadoopã§å§‹ã‚ã‚‹ä¸¦åˆ—ãƒ‡ãƒ¼ã‚¿è§£æžï¼å‰ç·¨ | Inhale n' Exhale
1æœˆ13æ—¥ï¼ˆé‡‘ï¼‰ã«Palo Altoã§è¡Œã‚ã‚ŒãŸJTPAã®ã‚®ãƒ¼ã‚¯ã‚µãƒãƒ³ã«å‚åŠ ã—ã¦ããŸã€‚ä»Šå›žã¯å‚åŠ è€…ãŒãƒ©ãƒƒãƒ—ãƒˆãƒƒãƒ—æŒã¡è¾¼ã¿ã§ã‚³ãƒ¼ãƒ‡ã‚£ãƒ³ã‚°ã—ã¦ã„ããƒãƒƒã‚«ã‚½ãƒ³å½¢å¼ã§ã€ä¼šå ´å…¥ã‚Šã™ã‚‹å‰ã¾ã§ã«HadoopãŒä½¿ãˆã‚‹ç’°å¢ƒã‚’è‡ªå‰ã§ç”¨æ„ã—ã¦ãŠãå¿…è¦ãŒã‚ã£ãŸã€‚ã‚‚ã†ãã‚Œã ã‘ã§ã€ã„ã¤ã‚‚ã®ã‚®ãƒ¼ã‚¯ã‚µãƒãƒ³ã‚ˆã‚Šãƒãƒ¼ãƒ‰ãƒ«ãŒé«˜ã„ã®ã ãŒã€å½“æ—¥ã¯15äººã»ã©ã®ã‚®ãƒ¼ã‚¯ãŸã¡ï¼ˆä¸ã«ã¯3æ—¥å‰ã«ãƒ™ã‚¤ã‚¨ãƒªã‚¢ã«æ¥ãŸã°ã‹ã‚Šã¨ã„ã†å¦ç”Ÿã‚‚ã„ãŸï¼‰ãŒé›†ã¾ã£ã¦ã€ãŠã®ãŠã®ãƒ©ãƒƒãƒ—ãƒˆãƒƒãƒ—ã¨ã«ã‚‰ã‚ã£ã“ã—ãªãŒã‚‰Hadoopã¨æˆ¯ã‚Œã¦ã„ãŸã€‚ ä»Šå›žã®ã‚®ãƒ¼ã‚¯ã‚µãƒãƒ³ã‚’ãƒ›ã‚¹ãƒˆã—ã¦ãã ã•ã£ãŸå±±ä¸ä»æ°ãŒã€EC2ä¸Šã«Hadoopã‚¯ãƒ©ã‚¹ã‚¿ã‚’æ§‹ç¯‰ã™ã‚‹æ–¹æ³•ã‚’ã€å‚åŠ è€…å‘ã‘ã®è³‡æ–™ã¨ã—ã¦Webä¸Šã«æº–å‚™ã—ã¦ãã ã•ã‚Šã€ã€ŒHadoopï¼æœªçŸ¥ã®é ˜åŸŸã€ã ã£ãŸè‡ªåˆ†ã§ã‚‚ã™ã‚“ãªã‚ŠHadoopã‚¯ãƒ©ã‚¹ã‚¿ã‚’çµ„ã‚€ã“ã¨ãŒã§ããŸã€‚ã ãŒæ®‹å¿µãªã“ã¨ã«ã€ã“ã®è³‡æ–™è‡ªä½“ãŒEC2ä¸Šã«ä¸€æ™‚çš„ã«ç«‹ã¦ãŸã‚µãƒ¼ãƒãƒ¼ã«ç½®ã‹ã‚Œã¦ãŠã‚Šæƒ…å ±ãŒæ’ä¹…çš„ã«ã¯æ®‹ã‚‰
tomoemon 2012/07/09
hadoop
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tomoemon 2012/07/09
hadoop
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Androidã‚¢ãƒ—ãƒªã®è¤‡æ•°å±•é–‹ã«ã¤ã„ã¦ - Google ã‚°ãƒ«ãƒ¼ãƒ—
tomoemon 2012/07/09
hadoop
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