春季-由相同的线程池支持TaskExecutor和TaskScheduler [英] Spring - Have TaskExecutor and TaskScheduler backed by the same thread pool

问题描述

我是TaskScheduler和TaskExecutor的bean，如下所示:

I am a bean for TaskScheduler and TaskExecutor as following:

@Bean
public TaskScheduler taskScheduler() {
    ThreadPoolTaskScheduler s = new ThreadPoolTaskScheduler();

    s.setThreadNamePrefix("Task-Scheduler-");
    s.setPoolSize(10);
    s.setRemoveOnCancelPolicy(true);

    return s;
}

@Bean
public TaskExecutor taskExecutor() {
    ThreadPoolTaskExecutor e = new ThreadPoolTaskExecutor();

    e.setThreadNamePrefix("Task-Executor-");
    e.setMaxPoolSize(10);
    e.setCorePoolSize(10);

    return e;
}

是否可以在TaskExecutor和TaskScheduler之间共享基础线程池执行程序服务?现在，每个10个固定线程有两个池，但是我想有一个20个线程的池.

Is it possible to share the underlying thread pool executor service between the TaskExecutor and the TaskScheduler? Now I have twice a pool of each 10 fixed threads, but I would like to have one single pool of 20 threads.

这些池将用于@ Async，@ Scheduled和@Retry注释.

These pools will be used for @Async, @Scheduled and @Retry annotatons.

推荐答案

您不能使用这两个类来完成此操作，因为它们是依赖于内部池的实现.

You can't do this by using those two classes, because they are implementations that rely on an internal pool.

但是，您可以使用共享的ThreadPool实现自己的TaskExecutor和TaskScheduler类.

However, you can implement your own TaskExecutor and TaskScheduler class that use a shared ThreadPool.

请注意，尽管有几个空闲线程不会对性能产生太大影响，所以除非您知道拥有两个池是主要的性能瓶颈，否则我不会浪费时间.

Note though that a few idle threads is not going to have much of an impact on performance, so unless you know that having two pools is a major performance bottleneck, I wouldn't waste my time.

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