如何在Reactor中使用多个线程执行flatMap? [英] How can I perform flatMap using multiple threads in Reactor?

问题描述

我试过先在Flux range上接着在subscribeOn上运行flatMap，似乎所有操作都在同一线程上运行.这正常吗?

I have tried running a flatMap on a Flux range followed by subscribeOn and it seems all operations run on the same thread. Is this normal?

Flux.range(0, 1000000).log().flatMap{ it + 1 }.subscribeOn(Schedulers.parallel()).subscribe()

推荐答案

您可以创建 ParallelFlux 如下:

You can create a ParallelFlux as follows:

Flux.range(0, 100000).parallel(2).runOn(Schedulers.parallel()).log().map{ it + 1 }.subscribe()
                      ^^^^^^^^^^^  ^^^^^^use runOn ^^^^^^^^^^^

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