What is esper definition?

Esper is a complex event processing (CEP) engine and streaming analytics platform. It is an open source software tool designed for analyzing large volumes of real-time data streams in order to identify meaningful patterns, trends, and relationships. Esper supports the development of event-driven and reactive applications through a powerful query-based language that enables fast, efficient processing and filtering of event streams. It is widely used for monitoring and analyzing the performance of complex systems such as financial trading platforms, IoT networks, and real-time social media. Esper provides rich visualization tools that allow users to easily monitor and analyze vast amounts of streaming data in real-time.