Cunei, AntonioGuerraoui, RachidSpring, Jesper HonigPrivat, JeanVitek, Jan2009-05-192009-05-192009-05-19200910.1007/978-3-642-02053-7_2https://infoscience.epfl.ch/handle/20.500.14299/40171WOS:000270894300002This paper presents a transactional framework for low-latency, high-performance, concurrent event processing in Java. At the heart of our framework lies Reflexes, a restricted programming model for highly responsive systems. A Reflex task is an event processor that can run at a higher priority and preempt any other Java thread, including the garbage collector. It runs in an obstruction-free manner with time-oblivious code. We extend Reflexes with a publish/subscribe communication system, it- self based on an optimistic transactional event processing scheme, that provides efficient coordination between time-critical, low-latency tasks.We report on the comparison with a commercial JVM, and show that it is possible for tasks to achieve 50 µs response times with way less than 1% of the executions failing to meet their deadlines.Real-TimeOwnership TypesJavatext::conference output::conference proceedings::conference paper