Masterclass guide to CockroachDB internals — 5-layer architecture (SQL, Transaction, Distribution, Replication, Storage), Hybrid Logical Clocks (HLC), Multi-Raft consensus, Leaseholders, Write Intents, Parallel Commits, Read Uncertainty, and Pebble storage engine.
Full-spectrum guide to distributed consistency models — from Linearizability to Eventual Consistency, Session Guarantees (Read-Your-Writes, Monotonic Reads), causal vs data-centric lenses, consistency anomalies with real production bugs, S3 case study, and per-operation decision matrix. Covers ACID, BASE, CAP, PACELC, and advanced internals.
A deep-dive guide to ACID properties — Atomicity, Consistency, Isolation, Durability — covering isolation levels, MVCC, 2PL, WAL, write skew, distributed ACID, and practical interview questions. Includes the real priority order (I → C → D → A), the AI PR story, and the link to the full isolation levels deep-dive.
ACID properties, isolation levels, locking mechanisms, MVCC, deadlocks, and optimistic vs pessimistic concurrency.
