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BEAM (Erlang virtual machine)
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=== Key Features === Some of the key features of the BEAM include: * **Actor Model**: The BEAM follows the actor model, where concurrent processes communicate by sending messages to each other. This approach simplifies the development of parallel and distributed applications. * **Soft Real-Time**: The BEAM provides soft real-time capabilities, allowing developers to meet specific timing requirements in applications that need to respond in a timely manner. * **Garbage Collection**: A sophisticated garbage collector manages memory allocation and deallocation in the BEAM. It automatically frees memory that is no longer in use, reducing the risk of memory leaks. * **Hot Code Upgrades**: The BEAM supports hot code upgrades, allowing developers to update the running system without interrupting its operation. This feature is crucial for systems that require high availability. * **Distribution**: The BEAM has built-in distribution capabilities, simplifying the implementation of distributed systems. Nodes can communicate with each other transparently, enabling the construction of fault-tolerant and scalable architectures. * **Concurrency**: The BEAM enables lightweight concurrency through lightweight processes, also known as Erlang processes. These processes are not the same as operating system processes and have low memory overhead. * **Fault Tolerance**: The BEAM was designed with fault tolerance in mind. It provides mechanisms for process supervision, error handling, and code error recovery. Faulty processes can be restarted or terminated without affecting the rest of the system.
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