Part 3 · Module 24

Hashing and placement

How systems decide which machine owns which key: consistent hashing in depth, virtual nodes and replicas on the ring, and the alternatives (rendezvous, jump hash, bounded loads).

Start

0 of 3 lessons20 min

24.1The hash ring in depthUp next7m
24.2Rendezvous, jump hash and bounded loads7m
24.3Replica placement and failure domains6m
LabAdd a cache node without a stampedeFinish “Have we sent this coupon?” first35m

Practice what this module teaches

Distributed Cache HLDDesign partitioning, bounded staleness and stampede control for a shared cache.Advanced50 min Live Shard Rebalancing Service HLDMove key ranges between owners with snapshot catch-up, enforced epochs and directory cutover.Advanced60 min Content Delivery Network

3day streak