Understanding Consistent Hashing: Concepts, Pitfalls, and Real-World Use Cases
๐ TL;DR
Consistent hashing is a strategy for evenly assigning keys (like user_id, session_id) to servers with minimal disruption when servers are added or removed.
Naive approaches (e.g., hash(key) % N) cause massive remapping on any change to the...
jorzel.hashnode.dev7 min read