Raft Consensus Algorithm: Complete Implementation Guide 2026
Master the Raft consensus algorithm with comprehensive coverage of leader election, log replication, safety guarantees, and practical implementation patterns for distributed …
Backend
Two-Phase Commit (2PC) Protocol: Complete Guide for Distributed Systems
A comprehensive guide to the Two-Phase Commit (2PC) protocol, covering implementation, code examples, failure scenarios, and best practices for distributed transaction management.
Backend Performance Optimization: Caching, Connection Pooling, and Profiling
Practical backend performance techniques — Redis caching patterns, connection pooling, async optimization, profiling Node.js, and horizontal scaling.
Database Query Optimization: Indexes, EXPLAIN, and N+1 Queries
Master database query optimization — indexing strategies, reading EXPLAIN output, fixing N+1 queries, and pagination patterns for PostgreSQL and MongoDB.
Authentication and Authorization in Web Applications: A Complete Guide
Comprehensive guide to authentication and authorization. Learn the differences, implementation patterns, security best practices, and real-world examples.
Database Design and Migration Strategies: Building Scalable, Maintainable Databases
Comprehensive guide to database design principles and migration strategies. Learn normalization, indexing, schema versioning, and zero-downtime migrations.
Monitoring and Logging in Production: Building Observable Systems
Comprehensive guide to monitoring and logging in production environments. Learn best practices, tools, metrics, alerting strategies, and observability patterns.