I've heard many anecdotes and claims about how many lines of code are saved when you write in Erlang instead of [C++/other language]. I'm happy to report that I now have first-hand experience and some data to share.

programming erlang c playdar rewrite

In Part 1 and Part 2 of this series we built a comet application using mochiweb, and learned how to route messages to connected users. We managed to squeeze application memory down to 8KB per connection. We did ye olde...

programming erlang c comet mochiweb libevent cnode

All the data I need from memcached is assigned to servers using a consistent hashing mechanism, implemented as libketama - a shared library written in C. We use a php extension to wrap this, and also have a pure java...

programming erlang c memcached driver hashing ketama

We wrote ketama to replace how our memcached clients mapped keys to servers. Previously, clients mapped keys->servers like this:

programming hashing caching c php memcached scalability lastfm