About

Welcome to Dujuku, a technical blog dedicated to database engineering, performance optimization, and modern data architecture patterns.

What We Cover

Our content focuses on practical, real-world database topics that help engineers build better systems:

• PostgreSQL: Performance tuning, advanced queries, replication strategies
• MongoDB: Aggregation pipelines, schema design, sharding
• Redis: Caching patterns, data structures, persistence
• Database Design: Schema patterns, normalization, scaling
• Performance: Query optimization, indexing strategies, monitoring
• Operations: Migrations, backups, disaster recovery

Our Approach

Every article is based on real-world experience and includes practical code examples. We focus on:

• Concrete examples over abstract theory
• Performance benchmarks and real data
• Trade-offs and when to use different approaches
• Production-ready solutions

Topics We Cover

Databases

• PostgreSQL, MySQL, MariaDB
• MongoDB, Redis, Cassandra
• Database design and normalization
• Query optimization and indexing

Performance

• Query performance tuning
• Caching strategies
• Connection pooling
• Database scaling patterns

Operations

• Zero-downtime migrations
• Backup and recovery strategies
• Monitoring and observability
• High availability and replication

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