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【Java技术指南】「并发编程专题」Fork/Join框架基本使用和原理探究（原理篇）

ForkJoin线程池框架回顾ForkJoin框架其实就是一个线程池ExecutorService的实现，通过工作窃取(work-stealing)算法,获取其他线程中未完成的任务来执行。可以充分利用机器的多处理器优势，利用空闲的线程去并行快速完成一个可拆分为小任务的大任务，类似于分治算法。Fork...

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【Java技术指南】「并发编程专题」Guava RateLimiter针对于限流器的入门到精通（含实战和原理分析）

并发编程的三剑客在开发高并发系统时有三剑客：缓存、降级和限流。缓存缓存的目的是提升系统访问速度和增大系统处理容量。降级降级是当服务出现问题或者影响到核心流程时，需要暂时屏蔽掉，待高峰或者问题解决后再打开。限流限流的目的是通过对并发访问/请求进行限速，或者对一个时间窗口内的请求进行限速来保护系统...

【Java技术指南】「并发编程专题」CompletionService框架基本使用和原理探究（基础篇）

前提概要在开发过程中在使用多线程进行并行处理一些事情的时候，大部分场景在处理多线程并行执行任务的时候，可以通过List添加Future来获取执行结果，有时候我们是不需要获取任务的执行结果的，方便后面引出ExecutorCompletionService。CompletionService的介绍Com...

【Java技术指南】「并发编程专题」Fork/Join框架基本使用和原理探究（基础篇）

前提概述Java 7开始引入了一种新的Fork/Join线程池，它可以执行一种特殊的任务：把一个大任务拆成多个小任务并行执行。我们举个例子：如果要计算一个超大数组的和，最简单的做法是用一个循环在一个线程内完成：算法原理介绍相信大家此前或多或少有了解到ForkJoin框架，ForkJoin框架其实就是...

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