[inchforward]

24 servers? Can you elaborate on your architecture a little more? What tools do you use to help you manage them?

[jsherer]

Most of the servers are workers which fetch feeds. Parallel downloads across a number of low-level commodity servers. Additionally, there's a master and slave Postgres database, a small Cassandra cluster, 2 redis boxes, an elasticsearch cluster, front-end servers, caching servers, etc. Shoot me an email if you want to talk in more detail.

[NYCounihan]

and one server to rule them all...

[ashark]

One server to serve an RSS reader to the 5k users, 23 others to host 23 different stats and monitoring applications to make sure that one server is working OK?

[ShinyCyril]

I can't speak for him, but the RSS reader I am working on at the moment is similarly split into multiple parts:

* Crawler - retrieves RSS feeds and parses articles

* Database server

* Analyser - performs semantic analysis and various other statistical processing on posts

* Propagator - pushes new posts to everyone's feed

* Cacher - serves a cached copy of the user's feed

* Web server

Based on loads I would just add more nodes depending on what was needed.

[jsherer]

Pretty close :)

[thebiglebrewski]

One server (machine), 23 servers (waiters) to cater to that one servers' (machine) every needs?

[jsherer]

Closer to 50/50. 50% of the servers do actual tedious work. 50% cater to users' needs.