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The Age of Virtual Threads by Ron Pressler And Alan Bateman
Java developers learn how to harness the power of virtual threads to improve concurrency, throughput, and scalability in Java applications, and explore the benefits of this new approach to concurrent programming.
- Virtual threads are lightweight and can be created for every task executed by a service, which can greatly improve concurrency and throughput.
- Virtual threads are not shared between tasks and are designed to be used for asynchronous programming.
- The Java platform is organized around threads, and virtual threads are a natural extension of this concept.
- Virtual threads are not expensive to create, and the Java runtime transparently mounts and unmounts them.
- The operation of a server is limited only by hardware resources, and virtual threads can greatly improve its throughput and scalability.
- The Java runtime can implement threads more efficiently than the OS, and virtual threads are designed to take advantage of this.
- Virtual threads are not a replacement for platform threads, but rather a new way to approach concurrency in Java applications.
- The preview API for virtual threads is stable, and it is recommended to begin using it to take advantage of its benefits.
- The operation of a server is more complex than a simple producer-consumer problem, and virtual_threads are designed to handle this complexity.
- The throughput and latency of systems such as servers can be significantly improved by using virtual threads.
- Virtual threads are part of the Java language and are designed to be used with all Java libraries and tools.
- The Java runtime provides a thread dump facility that can be used to visualize the state of virtual threads.
- Virtual threads are not a replacement for existing concurrency APIs, but rather a new way to approach concurrency in Java applications.
- The Java runtime provides a special scheduling mechanism for virtual threads, which allows them to be scheduled in a way that makes efficient use of resources.
- Virtual threads can greatly improve the performance and scalability of Java applications by allowing them to take advantage of multiple cores and processors.