Technical Insights & Architecture Papers
Deep-dives on high-throughput backend architecture, Python & Django performance, real-time Voice AI, and resilient database modeling.
PostgreSQL Query Planner Internals: Calibrating Cost Factors, Work Memory, and SSD Random Page Penalties
Default PostgreSQL configuration parameters were calibrated decades ago for spinning magnetic hard disks. Learn how the cost-based optimizer calculates query plans and how to tune random_page_cost and work_mem for modern NVMe SSD storage.
Zero-Loss Webhook Delivery Engine: Transactional Outbox Pattern, At-Least-Once Delivery & HMAC Signature Verification
Dispatching webhooks directly from HTTP requests or naive queue workers risks silent message loss when servers crash. Build a fault-tolerant webhook engine using the Transactional Outbox pattern and HMAC signatures.
PostgreSQL Declarative Partitioning at 50M Rows/Day: Automating Partition Pruning, Maintenance & Retention with pg_partman
Monolithic tables ingest millions of daily records until index bloat and autovacuum lockups cripple query performance. Master PostgreSQL native range partitioning and automated lifecycle maintenance with pg_partman.
Change Data Capture (CDC) at Scale: Streaming PostgreSQL WAL Changes to Redis & Kafka with Debezium and pgoutput
Application-level dual writes fail silently, while table polling destroys database IOPS. Learn how to stream PostgreSQL write-ahead log (WAL) mutations directly to Kafka and Redis using native pgoutput logical replication and Debezium.
PostgreSQL Lock Contention Forensics: Diagnosing Blocked Queries, Lock Queues, and Deadlocks
Sudden connection pool spikes and mysterious query timeouts are almost always caused by invisible PostgreSQL lock queues. Learn how to inspect pg_locks and pg_stat_activity to untangle blocker dependency trees, prevent deadlocks, and implement defensive timeouts.
Multi-Region Active-Passive Disaster Recovery: PostgreSQL Streaming Replication & Automated DNS Failover
Surviving catastrophic cloud region outages requires robust multi-region architecture. Learn how to configure cross-region PostgreSQL physical streaming replication, split-brain prevention fencing, and automated Anycast DNS failover.