两个ExecutorServices是否可以共享一个线程池？ [英] Is it possible for two ExecutorServices to share a thread pool?

问题描述

我有一组记录要处理，并且处理可以并行化，所以我创建了一个 ExecutorService （通过 Executors＃newCachedThreadPool（））。处理单个记录本身是由可并行化的步骤组成的，所以我想使用另一个 ExecutorService 。有没有一个简单的方法使这个新的使用相同的底层线程池？是否甚至更好？感谢。

I've got a collection of records to process, and the processing can be parallelized, so I've created an ExecutorService (via Executors#newCachedThreadPool()). The processing of an individual record is, itself, composed of parallelizable steps, so I'd like to use another ExecutorService. Is there an easy way to make this new one use the same underlying thread pool? Is it even desirable? Thanks.

推荐答案

要回答您的问题：没有，两个ExecutorService对象强>共享线程池。但是，您可以在对象之间共享ExecutorService，或者根据需要创建多个Executor，尽管这不太推荐。

To answer your question: no, two ExecutorService objects cannot share a thread pool. However you can share an ExecutorService between your objects, or alternatively create several Executors, as necessary, though this is less recommended.

最佳解决方案：在对象之间共享Executor。

Best solution: share the Executor between your objects.

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