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

  • 156 Cores
  • 605GB 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%

24 instances

powering

19 m4.2xlarge

5 t2.medium

Serving 45.000 requests a minute

2 database servers

processing per second

3.500 queries

Stored on 1TB SSD, each

rabbitmq

decoupling our (micro)services

  • receives 200 messages / second
  • pushes 400 messages /second

Organized in 630 queues

3 memcached clusters, containing 3 servers each (cache.t2.small)

caching

14GB

Producing an average throughput of 16 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.

  • 500

    deployments last month

  • 3 hrs

    to write 5GB of log events

  • 42 days

    since our last outage

  • 40.648

    lines of code removed during the last 30 days

  • 218.987

    lines of code added during the last 30 days