Distributed Systems
Designing Leaderboards at Scale
Designing leaderboards at scale: why a sorted database query dies under load, how a Redis sorted set fixes it, and how to shard ranking past one node.
#scalability
2 articles
Distributed Systems
Notification Fanout Architecture
Notification fanout comes down to fan-out-on-write vs on-read, and the celebrity problem that breaks the naive choice. The hybrid design that scales, explained.