index modules | next | previous | Celery 2.0.3 (stable) documentation » Getting Started Release: 2.0 Date: February 04, 2014 Introduction Overview Example Features Documentation Installation Broker 2. index modules | next | previous | Celery 2.0.3 (stable) documentation » User Guide Release: 2.0 Date: February 04, 2014 Tasks Basics Default keyword arguments Logging Retrying a task if something 1.2. index modules | next | previous | Celery 2.0.3 (stable) documentation » Tutorials Release: 2.0 Date: February 04, 2014 Tutorials and resources from the community Django/Celery Quickstart (or,

Contents 1 Celery Documentation, Release 2.0.3 (stable) 2 Contents CHAPTER 1 Getting Started Release 2.0 Date February 04, 2014 1.1 Introduction Version 2.0.3 Web http://celeryproject.org/ Download http://pypi directory for the full license text. 12 Chapter 1. Getting Started CHAPTER 2 User Guide Release 2.0 Date February 04, 2014 2.1 Tasks • Basics • Default keyword arguments • Logging • Retrying a task Celery Documentation, Release 2.0.3 (stable) 62 Chapter 4. Cookbook CHAPTER 5 Tutorials Release 2.0 Date February 04, 2014 5.1 Tutorials and resources from the community This is a list of external

since it makes it very hard to use serial- izers other than pickle, and the feature was removed in 2.0, replaced by task decorators: from celery.task import task @task(queue='hipri') def hello(to): return The Primitives – Chains – Groups – Chords – Map & Starmap – Chunks Signatures New in version 2.0. You just learned how to call a task using the tasks delay method in the calling guide, and this is based on application, work load, task run times and other factors. Remote control New in version 2.0. 98 Chapter 2. Contents Celery Documentation, Release 4.2.0 The celery command The celery program

since it makes it very hard to use serializers other than pickle, and the feature was removed in 2.0, replaced by task decorators: from celery.task import task @task(queue='hipri') def hello(to): Immutability Callbacks The Primitives Chains Groups Chords Map & Starmap Chunks Signatures New in version 2.0. You just learned how to call a task using the tasks delay method in the calling guide, and this is based on application, work load, task run times and other factors. Remote control New in version 2.0. Utilities (inspect/control) for more information. broker support: prefork, eventlet, gevent, blocking:solo

since it makes it very hard to use serializers other than pickle, and the feature was removed in 2.0, replaced by task decorators: from celery.task import task @task(send_error_emails=True) def hello(x): Immutability Callbacks The Primitives Chains Groups Chords Map & Starmap Chunks Signatures New in version 2.0. You just learned how to call a task using the tasks delay method in the calling guide, and this is based on application, work load, task run times and other factors. Remote control New in version 2.0. pool support: prefork, eventlet, gevent, blocking:threads/solo (see note) broker support: amqp, redis

since it makes it very hard to use serializers other than pickle, and the feature was removed in 2.0, replaced by task decorators: from celery.task import task @task(queue='hipri') def hello(to): Immutability Callbacks The Primitives Chains Groups Chords Map & Starmap Chunks Signatures New in version 2.0. You just learned how to call a task using the tasks delay method in the calling guide, and this is based on application, work load, task run times and other factors. Remote control New in version 2.0. pool support: prefork, eventlet, gevent, blocking:solo (see note) broker support: amqp, redis

since it makes it very hard to use serializers other than pickle, and the feature was removed in 2.0, replaced by task decorators: from celery.task import task @task(queue='hipri') def hello(to): Immutability Callbacks The Primitives Chains Groups Chords Map & Starmap Chunks Signatures New in version 2.0. You just learned how to call a task using the tasks delay method in the calling guide, and this is based on application, work load, task run times and other factors. Remote control New in version 2.0. pool support: prefork, eventlet, gevent, blocking:solo (see note) broker support: amqp, redis

since it makes it very hard to use serializers other than pickle, and the feature was removed in 2.0, replaced by task decorators: from celery.task import task @task(queue='hipri') def hello(to): Immutability Callbacks The Primitives Chains Groups Chords Map & Starmap Chunks Signatures New in version 2.0. You just learned how to call a task using the tasks delay method in the calling guide, and this is based on application, work load, task run times and other factors. Remote control New in version 2.0. pool support: prefork, eventlet, gevent, blocking:solo (see note) broker support: amqp, redis

since it makes it very hard to use serializers other than pickle, and the feature was removed in 2.0, replaced by task decorators: from celery.task import task @task(queue='hipri') def hello(to): Immutability Callbacks The Primitives Chains Groups Chords Map & Starmap Chunks Signatures New in version 2.0. You just learned how to call a task using the tasks delay method in the calling guide, and this is based on application, work load, task run times and other factors. Remote control New in version 2.0. pool support: prefork, eventlet, gevent, blocking:solo (see note) broker support: amqp, redis

CELERYD_STATE_DB setting. See CELERYD_STATE_DB for more information. 2.4.6 Time limits New in version 2.0. A single task can potentially run forever, if you have lots of tasks waiting for some event that to celeryd or using the CELERYD_MAX_TASKS_PER_CHILD setting. 2.4.8 Remote control New in version 2.0. Workers have the ability to be remote controlled using a high-priority broadcast message queue. The – Callbacks • Task Sets – Results • Chords – Important Notes 2.6.1 Subtasks New in version 2.0. The subtask type is used to wrap the arguments and execution options for a single task invocation: