Disruptor is a library for the Java programming language that provides a concurrent ring buffer data structure of the same name, developed at LMAX Exchange. [1] It is designed to provide a low-latency, high-throughput work queue in asynchronous event processing architectures. It ensures that any data is owned by only one thread for write access, therefore reducing write contention compared to other structures. [2] [3] The library is used for asynchronous logging in the popular Java software library Log4j.