#Redis — Sejan

Distributed Locking in Practice: Redlock, etcd Leases, and PostgreSQL Advisory Locks

#Redis

Sep 22, 2026

Distributed Locking in Practice: Redlock, etcd Leases, and PostgreSQL Advisory Locks

A comprehensive architectural deep dive into distributed locking: why naive Redis SETNX locks fail during GC pauses and clock drift, the Martin Kleppmann vs. Salvatore Sanfilippo Redlock debate, fencing tokens, etcd consensus leases with watch revisions, PostgreSQL advisory locks, and production Go implementations.

Architecting a Hybrid Community Platform: Real-Time WebSockets, Recursive Threaded Forums, and Scalable Voting

#Redis

Sep 07, 2026

Architecting a Hybrid Community Platform: Real-Time WebSockets, Recursive Threaded Forums, and Scalable Voting

An architectural breakdown of building a hybrid community platform: unifying Discord-style sub-millisecond WebSocket chat channels and Reddit-style nested forum boards with recursive tree queries and atomic voting pipelines.

#Redis

Sep 07, 2026

Building Resilient Event-Driven Systems with Redis Streams in Laravel: Consumer Groups, ACK Lifecycles, and Auto-Claiming

A masterclass in event streaming: why Redis Streams outclasses standard pub/sub, building consumer groups in Laravel, managing the Pending Entries List (PEL), and recovering dead worker messages with XAUTOCLAIM.

Designing Idempotent APIs and Webhook Consumers in Laravel: Eliminating Race Conditions and Duplicate Charges

#Redis

Sep 05, 2026

Designing Idempotent APIs and Webhook Consumers in Laravel: Eliminating Race Conditions and Duplicate Charges

An architectural guide to designing robust, idempotent REST APIs and webhook listeners in Laravel using the Idempotency-Key header, Redis atomic locks, and event deduplication.

#Redis

Sep 01, 2026

Building Resilient Redis Caching Architectures: Eviction Policies, Cluster Sharding, and Cache-Aside Patterns

A comprehensive architectural guide to designing high-throughput Redis caching layers. Learn cache-aside patterns, thundering herd mitigation, cluster sharding, and eviction strategies.