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aoscici2000
V2EX    Python

celery 任务调用问题

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  •   aoscici2000 2019-12-08 15:54:11 +08:00 3428 次点击
    这是一个创建于 2141 天前的主题,其中的信息可能已经有所发展或是发生改变。

    config.py

    broker_url = 'amqp://guest:guest@localhost:5672/my_vhost' task_routes = { 'project.task.create_order': { 'queue': 'succeed' }, } imports = [ 'project.task', ] 

    task.py

    @app.task def hello(msg): sleep(2) print('hello') @app.task def create_order(data): sleep(2) print('create_order') 

    我的设想是 create_order 会自动处理 succeed 里面的消息, 而 hello 是需要的时候手动调用

    以下面的命令启动后:

    celery -A project.main worker -l info -Q succeed -P eventlet -E

    create_order 正常工作, 但调用 hello 没反应

    celery -A project.main worker -l info -P eventlet -E

    去掉 -Q succeed 的话就相反了, hello 可以正常调用, 但 create_order 就不工作...

    我记得我以前试过是可以同时工作的?

    3 条回复    2019-12-08 21:07:31 +08:00
    ifoolish
        1
    ifoolish  
       2019-12-08 18:55:19 +08:00
    问题很明显了。你的配置文件中 create_order 指定了队列 succeed,你运行 worker 的参数 -Q succeed 也指定了这是 处理 succeed 队列的 worker,那当然只会执行 create_order 啊,想要 hello 也会得到执行,你再多开一个处理默认队列的 worker 进程就行了,也就是不加 -Q 参数
    ifoolish
        2
    ifoolish  
       2019-12-08 18:59:34 +08:00
    或者你只想开一个 worker 进程的话,-Q 参数加上默认队列的名字,即-Q succeed,celery。仔细看看文档吧
    aoscici2000
        3
    aoscici2000  
    OP
       2019-12-08 21:0731 +08:00
    @ifoolish 谢谢, 确实如此, celery 貌似是自动生成了队列, 没留意到
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