This document summarizes the backend architectures of several major tech companies through keywords in 3-7 slides per company. It includes the following architectures summarized in 3 sentences or less each:
Twitter uses technologies like Ruby, Scala, Jetty, Erlang, Thrift, Mongrel, Comet server, MySQL, Memcached, Varnish and more.
Facebook uses technologies like CentOS, SciApache, Apache, Nginx, PHP, Scala, Ruby, Thrift, MySQL, Redis, HBase, Memcached and more.
Other architectures summarized include those of Tumblr, Quora, Pinterest, Instagram, and Netflix, highlighting the various programming languages, databases, caching services, and cloud