An architectural deep dive into PostgreSQL internals: interpreting EXPLAIN (ANALYZE, BUFFERS), B-Tree vs BRIN indexing mechanics, WAL write path optimization, autovacuum worker tuning, and PgBouncer transaction-mode connection pooling.
Eliminating the dual-write problem in distributed microservices using PostgreSQL and Apache Kafka: implementing the Transactional Outbox Pattern with Debezium CDC, partition key hashing, idempotent consumer processing, and dead-letter retry topologies.
