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Replication and consistency · designlab

Dashboard Learn Handbook Labs Practice library Learning paths Review Insights Studios Mock interviews Notebook

Part 2 · Module 16

Replication and consistency

Keep multiple copies, understand what reads can observe, and choose quorum, consistency and conflict rules that match the product's guarantees.

0 of 4 lessons24 min

16.1Replication models and lagUp next6m
16.2Quorums and repair6m
16.3Consistency and conflicts6m
16.4Session guarantees in practice6m
LabThe wallet balanceFinish “Forty cities” first35m

Practice what this module teaches

Distributed Cache HLDDesign partitioning, bounded staleness and stampede control for a shared cache.Advanced50 min File Storage HLDDesign resumable uploads, durable metadata and secure downloads for large files.Intermediate45 min Distributed Quota Accounting

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HLD

Reserve and settle long-lived resource quotas across concurrent services.

Advanced60 min