Without mathematics, there's nothing you can do. Everything around you is mathematics. Everything around you is numbers.

Shakuntala Devi

500 Million

page requests / month

served by

  • 288 Cores
  • 1,2TB RAM

2 nginx instances

employing

  • 4 GB RAM
  • 4 Cores
  • 10 GB SSD storage each

transfering 12TB of data each month with an average load of 8%

7 application servers

powering

61KVMs

Serving 17.000 requests a minute

2 database server

processing per second

3.500 queries

Stored on 1 TB RAID10 SSD, each

rabbitmq

decoupling our (micro)services

  • receives 200 messages / second
  • pushes 1000 messages /second

Organized in 438 queues

14 memcached servers

caching

17GB

Producing an average throughput of 62 Mbit per second

And yes

There are some CPUs that might do something less useful, like running mongoDB, but we are still proud of every cycle.

  • 171

    deployments last month

  • 4 hrs

    to write 1GB of log events

  • 42 days

    since our last outage

  • 65.642

    lines of code removed during the last 30 days

  • 143.391

    lines of code added during the last 30 days