[B! scalability] sivadselimã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

sivadselim id:sivadselim

scalabilityã«é–¢ã™ã‚‹sivadselimã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (7)

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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
sivadselim 2007/12/04
algorithm

scalability

java
ãƒªãƒ³ã‚¯
mixiã®ç”Ÿã¿ã®è¦ªâ€œãƒã‚¿ãƒ©æ°â€ãŒèªžã‚‹MySQLã®æ„å¤–ãªåˆ©ç”¨æ³• ï¼ TechTargetã‚¸ãƒ£ãƒ‘ãƒ³
æ—¥è¨˜ã ã‘ã§4å„„ä»¶ã®ãƒ‡ãƒ¼ã‚¿ ãƒŸã‚¯ã‚·ã‚£ãŒé‹å–¶ã™ã‚‹SNSã€Œmixiã€ã¯ã€2007å¹´7æœˆæœ«æ®µéšŽã§ãƒ¦ãƒ¼ã‚¶ãƒ¼æ•°ãŒ1110ä¸‡äººã€‚äººãŒ12äººé›†ã¾ã‚Œã°ã€1äººã¯mixiãƒ¦ãƒ¼ã‚¶ãƒ¼ã¨ã„ã†ã‚ã‘ã ã€‚ãƒ¦ãƒ¼ã‚¶ãƒ¼ã®ã‚¢ã‚¯ãƒ†ã‚£ãƒ–çŽ‡ï¼ˆãƒã‚°ã‚¤ãƒ³é–“éš”ãŒ3æ—¥ä»¥å†…ï¼‰ã¯ç´„62ï¼…ã¨é«˜ãã€2007å¹´4æœˆã‹ã‚‰6æœˆã®æœˆé–“å¹³å‡ãƒšãƒ¼ã‚¸ãƒ“ãƒ¥ãƒ¼ã¯117.5å„„ã«é”ã—ãŸã€‚æ—¥è¨˜ã ã‘ã§ã‚‚4å„„ä»¶ä»¥ä¸Šã«ä¸Šã‚‹ãªã©ã€è“„ç©ã™ã‚‹ãƒ‡ãƒ¼ã‚¿é‡ã‚‚èŽ«å¤§ã€‚2004å¹´3æœˆã®ã‚µãƒ¼ãƒ“ã‚¹é–‹å§‹ã‹ã‚‰ã€ã‚ãšã‹3å¹´åŠã§ç¾åœ¨ã®å·¨å¤§ã‚³ãƒŸãƒ¥ãƒ‹ãƒ†ã‚£ãƒ¼ã¸ã¨ç™ºå±•ã—ãŸã®ã ã€‚ ãƒŸã‚¯ã‚·ã‚£ã¯ã€ã€ŒLAMPï¼ˆOSã®Linuxã€Webã‚µãƒ¼ãƒã®Apacheã€DBMSã®MySQLã€é–‹ç™ºè¨€èªžã®Perlã€PHPã€Pythonï¼‰ã€ã¨å‘¼ã°ã‚Œã‚‹Webã‚·ã‚¹ãƒ†ãƒ å‘ã‘ã®æ¨™æº–çš„ãªã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ï¼ˆä»¥ä¸‹ã€OSSï¼‰ã§ã‚·ã‚¹ãƒ†ãƒ ã‚’è‡ªç¤¾é–‹ç™ºã—ã€å®‰ä¾¡ãªPCã‚µãƒ¼ãƒã‚’1000å°ä»¥ä¸Šé€£ãã‚‹è¶…åˆ†æ•£æ§‹æˆã§mixiã®ã‚µãƒ¼ãƒ“ã‚¹ã‚’æ”¯ãˆã¦ã„ã‚‹ï¼ˆåºƒå‘Šé…ä¿¡ãªã©å‘¨è¾ºæ©Ÿèƒ½ã§ã¯
sivadselim 2007/11/06
database

interview

mixi

mysql

performance

server

scalability
ãƒªãƒ³ã‚¯
ã‚¹ãƒ†ãƒ¼ãƒˆãƒ¬ã‚¹ã¨ã¯ä½•ã‹
RestWiki ã‚’ãŸã¾ã«è¦‹ç›´ã™ã¨æ–°ãŸãªç™ºè¦‹ãŒã‚ã£ã¦é¢ç™½ã„ã€‚ ãŸã¨ãˆã°å…ˆæ—¥ã€ã€Œã‚¹ãƒ†ãƒ¼ãƒˆãƒ¬ã‚¹ãªã‚„ã‚Šã¨ã‚Šã¨ã¯ä½•ã‹(What is Stateless Interaction?)ã€ã¨ã„ã†ç®‡æ‰€ã‚’è¦‹ã¤ã‘ã¦ã€èˆˆå‘³æ·±ãèªã‚“ã ã€‚ã“ã®ãƒšãƒ¼ã‚¸ã¯ä»¥å‰ã‚‚çµ¶å¯¾ã«èªã‚“ã§ã„ã‚‹ã¯ãšãªã®ã ãŒã€ äººé–“ã¯å¿˜ã‚Œã¦ã—ã¾ã†ã‚‚ã®ã§ã‚ã‚‹ã€‚ RestWiki ã®ä¾‹ã§ã‚‚å……åˆ†ã‚ã‹ã‚Šã‚„ã™ã„ã®ã ã‘ã‚Œã©ã€è‡ªåˆ†ã§ã‚‚ä¾‹ã‚’æ€ã„ã¤ã„ãŸã®ã§æ›¸ãã¨ã‚ã¦ãŠãã€‚ ã‚¹ãƒ†ãƒ¼ãƒˆãƒ•ãƒ«ã‚µãƒ¼ãƒã¨ã‚¹ãƒ†ãƒ¼ãƒˆãƒ¬ã‚¹ã‚µãƒ¼ãƒã¯ã©ã†é•ã†ã®ã‹ã€‚ ã¾ãšã¯ã€ã‚¹ãƒ†ãƒ¼ãƒˆãƒ•ãƒ«ã®ä¾‹: å®¢: ã“ã‚“ã«ã¡ã¯ åº—å“¡: ã„ã‚‰ã£ã—ã‚ƒã„ã¾ã›ã€‚â—‹â—‹ãƒãƒ¼ã‚¬ãƒ¼ã¸ã‚ˆã†ã“ã å®¢: ãƒãƒ³ãƒãƒ¼ã‚¬ãƒ¼ã‚»ãƒƒãƒˆã‚’ãŠé¡˜ã„ã—ã¾ã™ åº—å“¡: ã‚µã‚¤ãƒ‰ãƒ¡ãƒ‹ãƒ¥ãƒ¼ã¯ä½•ã«ãªã•ã„ã¾ã™ã‹? å®¢: ãƒãƒ†ãƒˆã§ åº—å“¡: ãƒ‰ãƒªãƒ³ã‚¯ã¯ä½•ã«ãªã•ã„ã¾ã™ã‹? å®¢: ã‚¸ãƒ³ã‚¸ãƒ£ãƒ¼ã‚¨ãƒ¼ãƒ«ã§ åº—å“¡: +50å††ã§ãƒ‰ãƒªãƒ³ã‚¯ã‚’Lã‚µã‚¤ã‚ºã«ã§ãã¾ã™ãŒã„ã‹ãŒã§ã™ã‹? å®¢: Mã§ã„ã„ã§ã™ åº—å“¡:
sivadselim 2007/10/29
rest

scalability

programming

development
ãƒªãƒ³ã‚¯
High Scalability | Building bigger, faster, more reliable websites.
Kafka 101 This is a guest article by Stanislav Kozlovski, an Apache Kafka Committer. If you would like to connect with Stanislav, you can do so onÂ TwitterÂ andÂ LinkedIn. Originally developed in LinkedIn during 2011, Apache Kafka is one of the most popular open-source Apache projects out there. So far it Capturing A Billion Emo(j)i-ons This blog post was written by Dedeepya Bonthu. This is a repost
sivadselim 2007/08/06
server

performance

scalability

web service

development
ãƒªãƒ³ã‚¯
Twitterã®ãƒˆãƒ©ãƒ–ãƒ«ã‹ã‚‰è¦‹ã‚‹ã€DBåˆ†å‰²ã§ã‚¹ã‚±ãƒ¼ãƒ©ãƒ–ãƒ«ãªRailsã‚µã‚¤ãƒˆæ§‹ç¯‰:TKMR.blog.show
æœ€è¿‘ã€2.0ãªæ–¹ã€…ã®é–“ã§TwitterãŒè©±é¡Œã«ãªã£ã¦ã‚‹ã€‚ã§ã€ãã®Twitterè‡ªä½“ã‚‚é¢ç™½ã„ã‚“ã ã‘ã©ã€Twitterã«ã¤ã„ã¦DHHãŒãƒ–ãƒã‚°ã‚’æ›¸ã„ã¦Railsã§ã®å¤§è¦æ¨¡ã‚µã‚¤ãƒˆæ§‹ç¯‰ãŒè©±é¡Œã«ãªã£ã¦ã‚‹ã®ãŒé¢ç™½ã„ã€‚ Twitter trouble (Loud Thinking - DHH) ã¾ãšTwitterã®é«˜è² è·ã«ã¤ã„ã¦è¨€åŠã€Twitterã¯11,000ãƒªã‚¯ã‚¨ã‚¹ãƒˆ/ç§’ ã®é«˜è² è·ã§å•é¡Œã¨ãªã£ã¦ã„ã‚‹ã‚‰ã—ã„ã€‚ ãã—ã¦ã‚¹ã‚±ãƒ¼ãƒ©ãƒ“ãƒªãƒ†ã‚£ã®éµã¯DBåˆ†å‰²ã ã€ã¨è¨€ã£ã¦ã„ã‚‹ã€‚Railsã¯åŸºæœ¬ä¸€ã¤ã®DBã‚’è¦‹ã‚‹ã®ã§ã‚¹ã‚±ãƒ¼ãƒ©ãƒ“ãƒªãƒ†ã‚£ã®å•é¡Œã«ãªã‚‹ ï¼ˆç¢ºã‹ã«Webã‚µãƒ¼ãƒã¯ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µãŒã‚ã‚Œã°ã„ãã‚‰ã§ã‚‚ã‚¹ã‚±ãƒ¼ãƒ«ã™ã‚‹ã—ãã€Sessionã®å…±æœ‰ã ã‘æ°—ã‚’ä»˜ã‘ã‚Œã°ï¼‰ â†“ Dr Nic Â» Magic Multi-Connections: A â€œfacility in Rails to talk to more than o
sivadselim 2007/04/24
database

ruby

twitter

scalability
ãƒªãƒ³ã‚¯
TheC10kProblem - ã€ŒC10Kå•é¡Œã€ï¼ˆã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆ1ä¸‡å°å•é¡Œï¼‰ã¨ã¯ã€ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ã®æ€§èƒ½ä¸Šã¯å•é¡ŒãŒãªãã¦ã‚‚ã€ã‚ã¾ã‚Šã«ã‚‚ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã®æ•°ãŒå¤šããªã‚‹ã¨ã‚µãƒ¼ãƒãŒãƒ‘ãƒ³ã‚¯ã™ã‚‹å•é¡Œã®ã“ã¨
TheC10kProbl em - ã€ŒC10Kå•é¡Œã€ï¼ˆã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆ1ä¸‡å°å•é¡Œï¼‰ã¨ã¯ã€ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ã®æ€§èƒ½ä¸Šã¯å•é¡ŒãŒãªãã¦ã‚‚ã€ã‚ã¾ã‚Šã«ã‚‚ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã®æ•°ãŒå¤šããªã‚‹ã¨ã‚µãƒ¼ãƒãŒãƒ‘ãƒ³ã‚¯ã™ã‚‹å•é¡Œã®ã“ã¨ ç›®æ¬¡ ã“ã®æ–‡æ›¸ã«ã¤ã„ã¦ C10K å•é¡Œ é–¢é€£ã‚µã‚¤ãƒˆ ã¾ãšèªã‚€ã¹ãæœ¬ I/O ãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ I/O æˆ¦ç•¥ 1. å„ã‚¹ãƒ¬ãƒƒãƒ‰ãŒè¤‡æ•°ã®ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã‚’å—ã‘ä»˜ã‘ã‚‹. ãã—ã¦ãƒŽãƒ³ãƒ–ãƒãƒƒã‚ãƒ³ã‚° I/O ã¨ ãƒ¬ãƒ™ãƒ«ãƒ»ãƒˆãƒªã‚¬åž‹ã®å®Œäº†é€šçŸ¥ã‚’åˆ©ç”¨ã™ã‚‹. ä¼çµ±çš„ãª select() ä¼çµ±çš„ãª poll() /dev/poll kqueue() 2. å„ã‚¹ãƒ¬ãƒƒãƒ‰ãŒè¤‡æ•°ã®ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã‚’å—ã‘ä»˜ã‘ã‚‹. ãã—ã¦ãƒŽãƒ³ãƒ–ãƒãƒƒã‚ãƒ³ã‚° I/O ã¨ å¤‰æ›´åž‹ã®å®Œäº†é€šçŸ¥(readiness change notification)ã‚’åˆ©ç”¨ã™ã‚‹. kqueue() epoll ãƒªã‚¢ãƒ«ã‚¿ã‚¤ãƒ ãƒ»ã‚·ã‚°ãƒŠãƒ« fd å˜ä½ã®ã‚·ã‚°ãƒŠãƒ« (Signal-per-fd)
sivadselim 2007/03/06
c10k

unix

linux

development

scalability
ãƒªãƒ³ã‚¯
Ywcafe.net
Ywcafe.net This Page Is Under Construction - Coming Soon! Why am I seeing this 'Under Construction' page? Related Searches: Healthy Weight Loss Best Penny Stocks Cheap Air Tickets Credit Card Application Top Smart Phones Trademark Free Notice Review our Privacy Policy Service Agreement Legal Notice Privacy Policy|Do Not Sell or Share My Personal Information
sivadselim 2006/08/17
server

web

tips

scalability

network

loadbalance
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