Interesting facts about Xmarks

Xmarks is a web browser plugin that allows you to save bookmarks on the xmarks.com server and sync bookmarks between different browsers (Firefox 3, Internet Explorer 7 and 8 and Safari 4 are supported) and different computers.

Facts about the company on October 7, 2009

• Founded in 2006
• 14 employees
• 3.8 million active browser plugins (connected at least once in the last 28 days)
• 160 million search pages improved Xmarks for the month
• 856 million bookmarks are stored in Xmarks

Xmarks Cloud Infrastructure Details

• number of servers running 60
• number of cores 320
• 600 GB available RAM
• 40 TB available disk space
• peak network load of 50 Mbps
• browser plugin transaction peak number: 750 per second
• Number of browser plugin transactions per day: 50 million

Used software

• Linux (Ubuntu + Debian)
• Apache
• Python
• Pylons (and some Django)
• Genshi
• Mysql
• BerkeleyDB
• Memcache