Blog

Notes on architecture, engineering practice and applied AI.

Aug 2, 202612 min

The Saga Pattern in Java: Distributed Transactions Without Two-Phase Commit

Once your data spans services, ACID stops at the service boundary. Sagas trade atomicity for availability — but the compensations, the outbox, and the isolation anomalies are where the real engineering is.

#Microservices
#Java
#Kafka
#Distributed Systems
#Spring Boot

Jul 14, 202610 min

When MySQL Hits max_connections, Raising It Is the Wrong Fix

Connection exhaustion takes down a database that isn't even busy. Here's why the arithmetic guarantees it at scale, and how connection multiplexing with ProxySQL breaks the link between application pools and database threads.

#MySQL
#ProxySQL
#Scaling
#Observability