Spring Boot

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Published on
August 24, 2026
Replacing Shared WebSocket Broadcasts with User-Specific STOMP Destinations
WebSocketSTOMPSpring-Boot RabbitMQReal-Time-Systems
Every connected browser originally subscribed to the same STOMP topics. I changed the destination model so the application selected a target user before WebSocket delivery, then verified the behavior with subscription and packet-level tests.
Published on
May 22, 2026
Spring Boot Thread Pool Configuration: @Async Defaults, Queue Capacity, and Tuning
Spring-BootJava-ConcurrencyThread-PoolAsyncPerformance-Tuning
Learn Spring Boot 4.1 executor defaults, why an unbounded queue ignores max-size, and how to tune @Async pools, rejection, shutdown, and virtual threads.
Published on
May 18, 2026
Spring Boot Async Events: @EventListener, @TransactionalEventListener, and @Async
Spring-BootSpring-EventsAsyncTransactionsEvent-Driven-Architecture
Choose the right Spring event listener, run work after commit, configure a bounded @Async executor, and know when an in-memory event needs a durable outbox.