谁在使用Memcahed

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会有越来越多的人使用memcached

会有越来越多的人使用memcached

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  • 1. 谁在使用memcahed? David Li Email: david.li.china@gmail.com
  • 2. memcached From www.danga.com Originally used for livejournal.com 目前被许多网站广泛应用. 高性能,分布式内存缓存系统 设计目的是为了减少DB的访问. 更适合于读写ratio高的网站. 多API支持 Linux 2.6 (epoll) and FreeBSD (kqueue)
  • 3. Livejournal.com Perl + MySQL + memcached 数据:[2005年] 12 servers for memcached 28 instances 30GB of cached data 90-93% hit rate 20 million + page views per day
  • 4. Digg.com LAMP + memcached 目前digg版本是3.0 数据:[2007年4月, still growing] More than 10 million page views per day More than 1.2 million UV per day 100+ Linux boxes
  • 5. Feedburner.com Tomcat + Spring [EHCahe]+ MySQL + Memcached 数据:[2006年] 115Mbps带宽 270000 feeds 100 million hits per day
  • 6. Fotolog.com Apache + PHP + Java/Hibernate + MySQL + Memcached 数据:[2007年] 228 million member photos 90 million page views per day 500k photos uploaded a day record
  • 7. Wikipedia.org LAMP + memcached Other technical toys: squid, lucene, and lighttpd 数据:[2007年, still growing] 3000 page views per second More than 8000 http requests per second More than 25000 SQL requests per second 12 db servers 20 servers in object cache role
  • 8. mixi.jp Linux + Apache + Perl + MySQL + Memcached +Squid 数据:[2006年, still growing] 39 memcached machines x 2GB memory More than 100 MySQL servers When 10,000 users, PV/day is 600,000 [two months later after launch]
  • 9. Other websites Slashdot.org Sourceforge.net Kayak.com Facebook.com More to come 中国的网站