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Apache Kafka is a distributed event store and stream-processing platform. It is an open-source system developed by the Apache Software Foundation written in Java and Scala.The project aims to provide a unified, high-throughput, low-latency platform for handling real-time data feeds.
In publish/subscribe systems, an application "publishes" information for any number of clients to read. In both of the above examples it would not make sense for the sender of the information to have to wait if, for example, one of the recipients had crashed. Applications need not be exclusively synchronous or asynchronous.
A single processor or uniprocessor system could disable interrupts by executing currently running code without preemption, which is very inefficient on multiprocessor systems. [7] "The key ability we require to implement synchronization in a multiprocessor is a set of hardware primitives with the ability to atomically read and modify a memory ...
Supporters claim that asynchronous, non-blocking code can be written with async/await that looks almost like traditional synchronous, blocking code. In particular, it has been argued that await is the best way of writing asynchronous code in message-passing programs; in particular, being close to blocking code, readability and the minimal ...
In some situations, overwriting circular buffer can be used, e.g. in multimedia. If the buffer is used as the bounded buffer in the producer–consumer problem then it is probably desired for the producer (e.g., an audio generator) to overwrite old data if the consumer (e.g., the sound card) is unable to momentarily
In computer science, message passing is a technique for invoking behavior (i.e., running a program) on a computer.The invoking program sends a message to a process (which may be an actor or object) and relies on that process and its supporting infrastructure to then select and run some appropriate code.
According to Gregor Hohpe, compared with synchronous messaging patterns (such as RPC) and point-to-point messaging patterns, publish–subscribe provides the highest level of decoupling among architectural components, however it can also couple them in some other ways (such as format and semantic coupling) so they become messy over time.
Elixir—dynamic and functional meta-programming aware language running on the Erlang VM. Erlang—uses synchronous or asynchronous message passing with no shared memory; FAUST—real-time functional, for signal processing, compiler provides automatic parallelization via OpenMP or a specific work-stealing scheduler