Backend
Replication Lag: The Hidden Cost of Read Replicas
Why read replicas introduce stale reads, how replication lag breaks consistency assumptions, and practical patterns to handle it safely.
·4 min read
Tags
Scalability
12 articles
Backend
Why SQLite Deserves a Place in Your Backend Stack
Not just for mobile apps: with WAL mode and the right replication strategy, SQLite runs production workloads with less operational overhead than Postgres.
·4 min read
Backend
Building Scalable APIs with Next.js Route Handlers
A complete guide to designing scalable, production-ready APIs with Next.js Route Handlers, TypeScript, validation and error-handling patterns.
·2 min read
Architecture
System Design Fundamentals Every Developer Should Know
The core concepts behind scalable system design — load balancing, caching, database scaling, queues, and the tradeoffs that guide architectural decisions.
·3 min read
Architecture
Designing Multi-Tenant SaaS Architectures That Scale
Architect multi-tenant SaaS with database isolation, tenant-aware middleware, quotas, partitioning and security boundaries that scale to ten thousand.
·4 min read
Architecture
WebSocket Architecture Patterns for Scalable Real-Time Apps
Design scalable WebSocket architectures: connection management, room-based pub/sub, heartbeats, reconnection and horizontal scaling to thousands.
·4 min read
Backend
Connection Pooling for High-Throughput Node.js Services
A deep dive into database connection pooling for Node.js: pool sizing, health checks, failover patterns and the misconfigurations that cause outages.
·6 min read
Engineering
Load Testing: Finding Breaking Points Before Users Do
Design and run load tests with k6: ramping strategies, realistic user simulation, threshold-based pass/fail criteria and reading results to find bottlenecks.
·5 min read
Backend
Connection Pooling for High-Throughput Applications
Configure and tune database connection pools for high-throughput Node.js: pool sizing, health checks, connection lifecycle and what exhausts a pool.
·4 min read
Architecture
Cell-Based Architecture for Resilient Distributed Systems
Design cell-based architectures that isolate failures to small blast radii, allow independent scaling and stop cascading outages across distributed systems.
·4 min read
Backend
Database Sharding Strategies and Trade-Offs
A practical guide to database sharding: partitioning strategies, shard key selection, cross-shard queries and the operational cost of distributing data.
·5 min read
Engineering
Load Testing Your API: Tools, Patterns, and Pitfalls
A practical guide to load testing APIs: tool selection, realistic traffic patterns, performance baselines, bottleneck identification and common mistakes.
·4 min read