Three-Layer Cache
5 min
Cache rarely sits in only one place. It usually stacks across several layers. Closer to the client is faster; closer to the DB is more accurate.
#redis
Posts tagged redis
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Posts tagged redis
The Many Roles of Redis
5 minRedis started as an in-memory key-value store, but today it covers cache, sessions, queues, ranking, distributed locks, and pub/sub all at once.
Rate Limiting — Algorithms and Implementation
6 minRate limiting protects resources, controls cost, and reduces abuse. It looks simple, but in distributed systems decisions accumulate around accuracy, fairness, and UX. This article covers the fixed window, sliding windo…