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Hadoopã®ãƒ†ã‚¹ãƒˆç’°å¢ƒã¯ã©ã†ã‚„ã‚‹ã®ãŒã„ã„ã®ã‹ï¼Ÿ
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Ehren 2011/06/22
Hadoop

test

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Twitterã«ã¤ã„ã¦ã¯å…ˆæ—¥ã®è¨˜äº‹ã§ãƒ•ãƒãƒ³ãƒˆã‚¨ãƒ³ãƒ‰ã®Blenderã‚’ç´¹ä»‹ã—ã¾ã—ãŸãŒã€ãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰ã‚„ãƒ‡ãƒ¼ã‚¿è§£æžã®ã‚·ã‚¹ãƒ†ãƒ ã«ã‚‚èˆˆå‘³ãŒã‚ã‚Šã¾ã™ã€‚ã¡ã‚‡ã†ã©Data-Intensive Text Processing with MapReduceã§æœ‰åãª@lintoolå…ˆç”Ÿã®æ–°ã—ã„è«–æ–‡ãŒå…¬é–‹ã•ã‚Œã¦ã„ãŸã®ã§èªã‚“ã§ã¿ã¾ã—ãŸã€‚Full-Text Indexing for Optimizing Selection Operations in Large-Scale Data Analytics(pdf)ACMã®MapReduce'11ã¨ã„ã†ãƒ¯ãƒ¼ã‚¯ã‚·ãƒ§ãƒƒãƒ—ã§ç™ºè¡¨ã•ã‚ŒãŸå†…å®¹ã®ã‚ˆã†ã§ã™ã€‚ã“ã®è«–æ–‡ã‚’èªã‚“ã§åˆã‚ã¦çŸ¥ã£ãŸã®ã§ã™ãŒã€Linå…ˆç”Ÿã¯ã‚µãƒãƒ†ã‚£ã‚«ãƒ«ä¼‘æš‡ï¼ˆå¤§å¦æ•™æŽˆãŒé•·æœŸã®ä¼‘ã¿ã‚’å–ã‚Œã‚‹åˆ¶åº¦ï¼‰ã§Twitterã«æ¥ã¦ãŠã‚Šã€ãƒ‡ãƒ¼ã‚¿è§£æžãƒãƒ¼ãƒ ã§åƒã„ã¦ã„ã‚‹ãã†ã§ã™ã€‚ã“ã®è«–æ–‡ã‚‚Twitter ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®@squarecogã•ã‚“ã¨
Ehren 2011/04/21
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ConsistentHashing - ã‚³ãƒ³ã‚·ã‚¹ãƒ†ãƒ³ãƒˆãƒ»ãƒãƒƒã‚·ãƒ¥æ³•
ConsistentHashing - ã‚³ãƒ³ã‚·ã‚¹ãƒ†ãƒ³ãƒˆãƒ»ãƒãƒƒã‚·ãƒ¥æ³• ç›®æ¬¡ ã“ã®æ–‡æ›¸ã«ã¤ã„ã¦ ã‚³ãƒ³ã‚·ã‚¹ãƒ†ãƒ³ãƒˆãƒ»ãƒãƒƒã‚·ãƒ¥æ³• å®Ÿä¾‹ å®Ÿè£… ç”¨é€” ã‚³ãƒ³ã‚·ã‚¹ãƒ†ãƒ³ãƒˆãƒ»ãƒãƒƒã‚·ãƒ¥æ³• ã“ã®æ–‡æ›¸ã«ã¤ã„ã¦ "Tom White's Blog: Consistent Hashing" ã®æ—¥æœ¬èªžè¨³ã§ã™. http://weblogs.java.net/blog/tomwhite/archive/2007/11/consistent_hash.html æŽ¨æ•²æ“è¿Ž: èª¤è¨³, ã‚¿ã‚¤ãƒ, è¨³èªžã®ä¸çµ±ä¸€, ãã®ã»ã‹... åŽŸæ–‡ã®ãƒ©ã‚¤ã‚»ãƒ³ã‚¹: http://creativecommons.org/licenses/by-nc-sa/2.0/ ç§ã¯ä»Šã¾ã§ã«ä½•åº¦ã‹ã‚³ãƒ³ã‚·ã‚¹ãƒ†ãƒ³ãƒˆãƒ»ãƒãƒƒã‚·ãƒ¥æ³•ã«ã¨ã‚Šãã‚“ã ã“ã¨ãŒã‚ã‚‹ã€‚ ã“ã®ã‚¢ã‚¤ãƒ‡ã‚¢ã‚’ã‚ã‚‰ã‚ã—ãŸè«–æ–‡ ( David Karger ã‚‰ã«ã‚ˆã‚‹ Consistent Hashing and R
Ehren 2011/03/08
Algorithm

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Spring Bootã«ã‚ˆã‚‹APIãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰æ§‹ç¯‰å®Ÿè·µã‚¬ã‚¤ãƒ‰ ç¬¬2ç‰ˆ ä½•åƒäººã‚‚ã®é–‹ç™ºè€…ãŒã€InfoQã®ãƒŸãƒ‹ãƒ–ãƒƒã‚¯ã€ŒPractical Guide to Building an API Back End with Spring Bootã€ã‹ã‚‰ã€Spring Bootã‚’ä½¿ã£ãŸREST APIæ§‹ç¯‰ã®åŸºç¤Žã‚’å¦ã‚“ã ã€‚ã“ã®æœ¬ã§ã¯ã€å‡ºç‰ˆæ™‚ã«æ–°ã—ããƒªãƒªãƒ¼ã‚¹ã•ã‚ŒãŸãƒãƒ¼ã‚¸ãƒ§ãƒ³ã§ã‚ã‚‹ Spring Boot 2 ã‚’ä½¿ç”¨ã—ã¦ã„ã‚‹ã€‚ã—ã‹ã—ã€Spring Boot3ãŒæœ€è¿‘ãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã€é‡è¦ãªå¤‰...
Ehren 2010/11/25
yahoo

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Building Distributed Systems in Scala
"In this session, Twitter engineer Alex Payne will explore how the popular social messaging service builds scala ble, distributed systems in the Scala programming language. Since 2008, Twitter has moved the development of its most critical systems to Scala, which blends object-oriented and functional programming with the power, robust tooling, and vast library support of the Java Virtual Machine. F
Ehren 2010/04/14
scala

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Ehren 2009/12/11
.NET

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Ehren 2009/12/09
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Ehren 2009/11/25
java

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Ehren 2009/10/15
MapReduce

Hadoop

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Joe Walnes, Unit Testing Asynchronous Code
Mock Roles, not Objects October 26 2004, Vancouver, Canada. OOPSLA'04 Personal Development Practices Map June 24 2004, Salt Lake City, Utah. Agile Development Conference Sit eMesh.NET and ASP.NET MasterPages May 20 2004, Bangalore, India. Bangalore .NET User Group Mock Objects: Driving Top Down Development March 29 2004, St Neots, UK. OT2004 Mock Objects December 2 2003, London, UK. XP Day 3 U
Ehren 2009/10/12
java

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Ehren 2009/10/10
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