I thought as a break form the normal prose some of our readers might enjoy a short overview of the Stack Exchange Network (including Stack Overflow, Server Fault, and Super User) from a technical view:

Traffic:

  • 95 Million Page Views a Month
  • 800 HTTP requests a second
  • 180 DNS requests a second
  • 55 Megabits per second

Data Centers:

Production Servers*:

  • 12 Web Servers (Windows Server 2008 R2)
  • 2 Database Servers (Windows Server 2008 R2 and SQL Server 2008 R2)
  • 2 Load Balancers (Ubuntu Server and HAProxy)
  • 2 Caching Servers (Redis on CentOS)
  • 1 Router / Firewall (Ubuntu Server)
  • 3 DNS Servers (Bind on CentOS)

Software and Technologies Used:

Developers and System Administrators:

  • 14 Developers
  • 2 System Administrators

*(excludes fail over and management servers)