Investigation and Resolution of Redis Increment Returning Null under Spring @Transactional

This article analyzes why a Redis increment operation returns null when executed inside a Spring @Transactional method, explores several hypotheses with experiments, explains the underlying Redis transaction behavior, and proposes two practical solutions to prevent the issue in production environments.

JavaTransactionalspring

0 likes · 10 min read

Investigation and Resolution of Redis Increment Returning Null under Spring @Transactional

macrozheng

Nov 25, 2021 · Backend Development

Why @Transactional Can Crash Production and How to Prevent Long Transactions

This article recounts a production incident caused by using Spring's @Transactional annotation, explains how long-running transactions exhaust database connections, and provides practical strategies—including method splitting, programmatic transactions, and proper AOP proxy usage—to prevent such failures in backend Java applications.

JavaLong TransactionTransactional

0 likes · 10 min read

Why @Transactional Can Crash Production and How to Prevent Long Transactions