High concurrency In addition to Java can also use what-clojure,go,rust

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Both the Java lock and the CAs are expensive (locks call the local system for thread blocking and wake-up overhead).

The actor's message queue also has its own serious problem (the use of actor can greatly increase the complexity of programming).

So distributed development is in accordance with business characteristics, compromise the best solution.

in the concurrent scenario of writing less reads : Clojure's STM, which provides a MVCC-like memory transaction rollback through multi-versioning with space-time change , is simple and efficient to the extreme.

The task mechanism abstracted by go/rust on CAs can also make CAS development quite simple in a large number of written cases

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