Celery-Django:无法异步执行任务

Question

我正在尝试在用户浏览我的网站时在后台运行一些任务,但每当我使用Celery调用一个函数时,它似乎是同步执行而不是异步执行.

例如,当我调用function.delay()时,整个站点都会挂起,直到function.delay()返回.以类似方式调用函数的其他方法(apply_async,subtasks)表现出相同的问题.

我猜Django或Celery中的东西配置错误,但我不知道它是什么.

settings.py中的芹菜配置:

import djcelery
djcelery.setup_loader()

CELERY_RESULT_BACKEND = "amqp"
CELERYBEAT_SCHEDULER = "djcelery.schedulers.DatabaseScheduler"
BROKER_HOST = "localhost"
BROKER_PORT = 5672
BROKER_USER = "test"
BROKER_PASSWORD = "test"
BROKER_VHOST = "testhost"

TEST_RUNNER = "djcelery.contrib.test_runner.run_tests"

CELERY_IMPORTS = ("myapp.tasks",)

BROKER_BACKEND = "memory"
CELERY_ALWAYS_EAGER = True

尝试用"./manage.py celeryd"启动Celery守护进程,我得到以下输出:

[2011-09-23 09:25:38,026: WARNING/MainProcess]  

 -------------- celery@iMac.local v2.2.7
---- **** -----
--- * ***  * -- [Configuration]
-- * - **** ---   . broker:      memory://test@localhost:5672/testhost
- ** ----------   . loader:      djcelery.loaders.DjangoLoader
- ** ----------   . logfile:     [stderr]@WARNING
- ** ----------   . concurrency: 4
- ** ----------   . events:      OFF
- *** --- * ---   . beat:        OFF
-- ******* ----
--- ***** ----- [Queues]
 --------------   . celery:      exchange:celery (direct) binding:celery


[2011-09-23 09:25:38,035: WARNING/MainProcess] celery@iMac.local has started.

Answer 1

尝试删除

CELERY_ALWAYS_EAGER = True

您明确要求芹菜同步执行任务.它总是等待结果.此设置对于编写单元测试等很有用.

阅读http://ask.github.com/celery/configuration.html