scalability
Articles related to scalability
Designing a modern messaging service with ejabberd – ejabberd Workshop #1
Cardinality Estimation
In server world, we always need to maintain some metrics; We need to measure to improve. A very common one being “unique active user” per unit of time. While this is really easy to describe, it’s complex when it comes to implementation. Naive implementation logs all events (let say, user connection), either on memory or […]