Database Capacity Planning: A Practical Guide
Plan for growth before you hit walls. This guide covers growth forecasting, compute and storage sizing, IOPS requirements, and cloud vs on-prem decisions.
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Column-Family Databases: Cassandra and HBase Architecture
Cassandra and HBase data storage explained. Learn partition key design, column families, time-series modeling, and consistency tradeoffs.
Connection Pooling: HikariCP, pgBouncer, and ProxySQL
Learn connection pool sizing, HikariCP, pgBouncer, and ProxySQL, timeout settings, idle management, and when pooling helps or hurts performance.
Constraint Enforcement: Database vs Application Level
A guide to CHECK, UNIQUE, NOT NULL, and exclusion constraints. Learn database vs application-level enforcement and performance implications.
CQRS Pattern
Separate read and write models. Command vs query models, eventual consistency implications, event sourcing integration, and when CQRS makes sense.
Data Masking Strategies for Non-Production Environments
Learn static and dynamic data masking: nulling, shuffling, hashing, and range techniques. Understand GDPR and PII considerations for PostgreSQL and Oracle.
Data Warehousing
OLAP vs OLTP comparison. Star and snowflake schemas, fact and dimension tables, slowly changing dimensions, and columnar storage in data warehouses.
Zero-Downtime Database Migration Strategies
Learn zero-downtime migration patterns, including expand-contract deployments, backward-compatible changes, rollback planning, and tools for safe releases.
Database Monitoring: Metrics, Tools, and Alerting
Keep your PostgreSQL database healthy with comprehensive monitoring. This guide covers query latency, connection usage, disk I/O, cache hit ratios, and alerting with pg_stat_statements and Prometheus.
Denormalization
When to intentionally duplicate data for read performance. Tradeoffs with normalization, update anomalies, and application-level denormalization strategies.