Consistency and Replication

Classifications / Distributed Systems / Consistency and Replication

TRACK

Client-visible consistency contracts, replication topologies, quorum and repair mechanisms, sharding authority, safe reads, recovery, and production verification.

How can I turn business invariants into explicit read, write, failover, and recovery guarantees across replicated and sharded data?

24 lessons

Continues to Backend Database Operations and Query Performance/ CRDTs and Coordination Avoidance/ Data Architecture and Platforms/ Data Integration, CDC, and Pipelines/ Distributed Messaging and Queue Internals/ Distributed Schedulers and Control Planes/ Distributed Systems Protocols and Labs/ Distributed Testing, Simulation, and Deterministic Replay

LESSONS

1. 001
   Partition-Time Guarantees: CAP and PACELC
   [TODO]
2. 002
   Consistency Contracts and API Semantics
   [TODO]
3. 003
   Replication Topologies and Failure Domains
   [TODO]
4. 004
   Log Shipping and Ordered Apply
   [TODO]
5. 005
   Synchronous and Asynchronous Replication
   [TODO]
6. 006
   Quorum Reads, Writes, and Tunable Consistency
   [TODO]
7. 007
   Leaderless Replication, Sloppy Quorums, and Hinted Handoff
   [TODO]
8. 008
   Read Repair, Anti-Entropy, and Merkle Divergence Checks
   [TODO]
9. 009
   Conflict Resolution and Convergence Policies
   [TODO]
10. 010
    Replication Lag and Read-Your-Writes
    [TODO]
11. 011
    Chain Replication and Ordered Failover
    [TODO]
12. 012
    Sharding and Authority Boundaries
    [TODO]
13. 013
    Partitioning Strategies and Shard Keys
    [TODO]
14. 014
    Rebalancing Partitions Under Live Traffic
    [TODO]
15. 015
    Secondary Indexes Across Shards
    [TODO]
16. 016
    Clocks, Leases, and Safe Reads
    [TODO]
17. 017
    Membership Changes and Replica Set Evolution
    [TODO]
18. 018
    Replication Flow Control and Backpressure
    [TODO]
19. 019
    Backup, Snapshots, and Recovery Semantics
    [TODO]
20. 020
    Observability for Replicated Data Systems
    [TODO]
21. 021
    Failure Testing Replication Claims
    [TODO]
22. 022
    Guarantee Matrix Design Review REVIEW
    [TODO]
23. 023
    Replication Failure Mode Check REVIEW
    [TODO]
24. 024
    Replicated Data Service Capstone FINAL CAPSTONE
    [TODO]

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