05 2012 档案
摘要:转自:http://coolshell.cn/articles/7270.html全文译自墙外文章“NoSQL Data Modeling Techniques”,译得不好,还请见谅。这篇文章看完之后,你可能会对NoSQL的数据结构会有些感觉。我的感觉是,关系型数据库想把一致性,完整性,索引,CRUD都干好,NoSQL只干某一种事,但是牺牲了很多别的东西。总体来说,我觉得NoSQL更适合做Cache。下面是正文——NoSQL 数据库经常被用作很多非功能性的地方,如,扩展性,性能和一致性的地方。这些NoSQL的特性在理论和实践中都正在被大众广泛地研究着,研究的热点正是那些和性能分布式相关的非功能
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摘要:转自:http://highscalability.com/blog/2012/5/16/big-list-of-20-common-bottlenecks.htmlBig List Of 20 CommonBottlenecksWEDNESDAY, MAY 16, 2012 AT 9:15AMInZen And The Art Of Scaling - A Koan And Epigram Approach,Russell Sullivanoffered an interesting conjecture: there are 20 classic bottlenecks. This sou
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摘要:如何突破1个server链接数超过500,000的限制(Linux Kernel tuning for 500k)六月 21st, 2011 by klose | Posted under海量数据存储与处理.Note: Concurrency, as defined in this article, is the same as it is forThe C10k problem: concurrent clients (or sockets).At Urban Airship we recently published ablog postabout scaling beyond 500,0
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