我收到了但不会执行的Celery任务。我使用的是Python 2.7和Celery 4.0.2。我的消息代理是Amazon SQS。
这是celery worker
的输出:
$ celery worker -A myapp.celeryapp --loglevel=INFO
[tasks]
. myapp.tasks.trigger_build
[2017-01-12 23:34:25,206: INFO/MainProcess] Connected to sqs://13245:**@localhost//
[2017-01-12 23:34:25,391: INFO/MainProcess] celery@ip-111-11-11-11 ready.
[2017-01-12 23:34:27,700: INFO/MainProcess] Received task: myapp.tasks.trigger_build[b248771c-6dd5-469d-bc53-eaf63c4f6b60]
我在尝试运行-Ofair
时尝试添加celery worker
,但这没有帮助。其他一些可能有用的信息:
ps aux
的结果。请注意,它在3个不同的进程中运行芹菜(不知道为什么),其中一个具有99.6%的CPU利用率,即使它没有完成任何任务或任何事情。流程:
$ ps aux | grep celery
nobody 7034 99.6 1.8 382688 74048 ? R 05:22 18:19 python2.7 celery worker -A myapp.celeryapp --loglevel=INFO
nobody 7039 0.0 1.3 246672 55664 ? S 05:22 0:00 python2.7 celery worker -A myapp.celeryapp --loglevel=INFO
nobody 7040 0.0 1.3 246672 55632 ? S 05:22 0:00 python2.7 celery worker -A myapp.celeryapp --loglevel=INFO
设置:
CELERY_BROKER_URL = 'sqs://%s:%s@' % (AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY.replace('/', '%2F'))
CELERY_BROKER_TRANSPORT = 'sqs'
CELERY_BROKER_TRANSPORT_OPTIONS = {
'region': 'us-east-1',
'visibility_timeout': 60 * 30,
'polling_interval': 0.3,
'queue_name_prefix': 'myapp-',
}
CELERY_BROKER_HEARTBEAT = 0
CELERY_BROKER_POOL_LIMIT = 1
CELERY_BROKER_CONNECTION_TIMEOUT = 10
CELERY_DEFAULT_QUEUE = 'myapp'
CELERY_QUEUES = (
Queue('myapp', Exchange('default'), routing_key='default'),
)
CELERY_ALWAYS_EAGER = False
CELERY_ACKS_LATE = True
CELERY_TASK_PUBLISH_RETRY = True
CELERY_DISABLE_RATE_LIMITS = False
CELERY_IGNORE_RESULT = True
CELERY_SEND_TASK_ERROR_EMAILS = False
CELERY_TASK_RESULT_EXPIRES = 600
CELERY_RESULT_BACKEND = 'django-db'
CELERY_TIMEZONE = TIME_ZONE
CELERY_TASK_SERIALIZER = 'json'
CELERY_ACCEPT_CONTENT = ['application/json']
CELERYD_PID_FILE = "/var/celery_%N.pid"
CELERYD_HIJACK_ROOT_LOGGER = False
CELERYD_PREFETCH_MULTIPLIER = 1
CELERYD_MAX_TASKS_PER_CHILD = 1000
报告:
$ celery report -A myapp.celeryapp
software -> celery:4.0.2 (latentcall) kombu:4.0.2 py:2.7.12
billiard:3.5.0.2 sqs:N/A
platform -> system:Linux arch:64bit, ELF imp:CPython
loader -> celery.loaders.app.AppLoader
settings -> transport:sqs results:django-db
我也遇到了同样的问题。稍微搜索一下后,我找到了将--without-gossip --without-mingle --without-heartbeat -Ofair
添加到Celery worker命令行的解决方案。所以在你的情况下你的工人命令应该是celery worker -A myapp.celeryapp --loglevel=INFO --without-gossip --without-mingle --without-heartbeat -Ofair
我有同样的问题。毗湿奴的答案对我有用。可能有另一种解决方案不需要将这些额外参数添加到worker命令。
我的问题是由在任务代码中间导入其他模块引起的。似乎芹菜在启动worker时获取所有使用过的模块,它只查看.py文件的开头。在运行期间,它不会引发任何错误,只是退出。将所有“import”和“from ... import ...”移动到代码文件的开头后,它就可以了。