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ChenJinluo
V2EX  ›  Python

萌 i 新想问个关于 Scrapy 的问题。

  •  
  •   ChenJinluo · Jan 20, 2018 · 2246 views
    This topic created in 3125 days ago, the information mentioned may be changed or developed.
    Scrapy 默认最大线程为 10,但是我查看的时候线程数只有 1,这是怎么回事呢?
    3 replies    2018-01-23 15:14:44 +08:00
    ChenJinluo
        1
    ChenJinluo  
    OP
       Jan 20, 2018
    想加图居然说我账号太新,郁闷
    sunwei0325
        2
    sunwei0325  
       Jan 20, 2018   ❤️ 1
    10 是 twisted 的线程池数量, twisted 是单线程异步框架, 如果需要跑阻塞的代码就需要扔到线程池里面跑, 防止阻塞主线程. 类似于 asyncio 的 run_in_executor.
    ChenJinluo
        3
    ChenJinluo  
    OP
       Jan 23, 2018
    @sunwei0325 虽然还不是太懂,但是谢谢啦~
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