System Design
Consistent Hashing in Practice
Why modulo hashing silently nukes your cache every time you scale, and how consistent hashing solves the rebalancing problem that takes down databases.
Akhil Sharma
April 3, 2026
12 min read
Consistent HashingDistributed SystemsCachingLoad Balancing
More in System Design
Building a Distributed Job Scheduler
Why single-node job schedulers silently fail in production, and how to build a distributed scheduler with leader election, task deduplication, and failure recovery.
Designing a Reliable Webhook Delivery System
How to build a webhook delivery system that handles retries, dead letter queues, and delivery guarantees without hammering failing endpoints or losing events.