Write Ahead Log Crash Recovery Databases
How write-ahead logging guarantees crash recovery in databases: ARIES phases, fsync semantics, and interview-ready explanations.
How write-ahead logging guarantees crash recovery in databases: ARIES phases, fsync semantics, and interview-ready explanations.
Production-grade API rate limiting: algorithms, distributed enforcement, and 2026 tooling compared with code-level trade-offs.
Concrete, technical CI/CD security practices for 2026 — secrets management, SBOM generation, supply chain attestation, and pipeline permission scoping.
Battle-tested zero-downtime database migration patterns for 2026: expand-contract, dual-write, and CDC-based cutover compared.
A technical comparison of database sharding strategies in 2026 — hash, range, and directory-based, with real rebalancing tradeoffs.
A deep dive into distributed cache internals: consistent hashing, virtual nodes, replication, client-side sharding, and proxy layers, with a full request-flow walkthrough.