. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2 User Guide 13 2.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . countdown for when after the task should be executed. Perfor- mance Able to execute tasks while the user waits. Return Values Task return values can be saved to the selected result store backend. You can supervised and automatically replaced if they crash. 1.1.4 Documentation The latest documentation with user guides, tutorials and API reference is hosted at Github. 1.1.5 Installation You can install celery

Queue Contents: Getting Started Introduction Broker Installation First steps with Celery Resources User Guide Overview Tasks Executing Tasks Workers Guide Periodic Tasks Sets of tasks, Subtasks and Callbacks countdown for when after the task should be executed. Performance Able to execute tasks while the user waits. Return Values Task return values can be saved to the selected result store backend. You can replaced if they crash. Documentation The latest documentation [http://ask.github.com/celery/] with user guides, tutorials and API reference is hosted at Github. Installation You can install celery either

countdown for when after the task should be executed. Perfor- mance Able to execute tasks while the user waits. Return Values Task return values can be saved to the selected result store backend. You can supervised and automatically replaced if they crash. 1.1.4 Documentation The latest documentation with user guides, tutorials and API reference is hosted at Github. 1.1.5 Installation You can install celery RabbitMQ To use celery we need to create a RabbitMQ user, a virtual host and allow that user access to that virtual host: $ rabbitmqctl add_user myuser mypassword $ rabbitmqctl add_vhost myvhost $

Introduction Broker Installation First steps with Celery First steps with Django Periodic Tasks Resources User Guide Tasks Executing Tasks HTTP Callback Tasks (Webhooks) Routing Tasks Configuration and defaults countdown for when after the task should be executed. Performance Able to execute tasks while the user waits. Return Values Task return values can be saved to the selected result store backend. You can replaced if they crash. Documentation The latest documentation [http://ask.github.com/celery/] with user guides, tutorials and API reference is hosted at Github. Installation You can install celery either

Documentation, Release 3.1.25 4 Chapter 1. Getting Started CHAPTER 2 Contents 2.1 Copyright Celery User Manual by Ask Solem Copyright © 2009-2015, Ask Solem. All rights reserved. This material may be Autoscaling Dynamically resizing the worker pool depending on load, or custom metrics specified by the user, used to limit memory usage in shared hosting/cloud environments or to enforce a given quality of The --maxtasksperchild option is used for user tasks leaking resources, like memory or file descriptors, that are simply out of your control. Read more... . • User Components Each worker component can be

Copyright Getting Started Introduction to Celery Brokers First Steps with Celery Next Steps Resources User Guide Application Tasks Calling Tasks Canvas: Designing Workflows Workers Guide Periodic Tasks HTTP describes the current stable version of Celery (3.1). For development docs, go here. Copyright Celery User Manual by Ask Solem Copyright © 2009-2015, Ask Solem. All rights reserved. This material may be Autoscaling Dynamically resizing the worker pool depending on load, or custom metrics specified by the user, used to limit memory usage in shared hosting/cloud environments or to enforce a given quality of

countdown for when after the task should be executed. Perfor- mance Able to execute tasks while the user waits. Return Values Task return values can be saved to the selected result store backend. You can supervised and automatically replaced if they crash. 1.1.4 Documentation The latest documentation with user guides, tutorials and API reference is hosted at Github. 1.1.5 Installation You can install celery RabbitMQ To use celery we need to create a RabbitMQ user, a virtual host and allow that user access to that virtual host: $ rabbitmqctl add_user myuser mypassword $ rabbitmqctl add_vhost myvhost $

Getting Started Introduction Broker Installation First steps with Celery Periodic Tasks Resources User Guide Tasks Executing Tasks Workers Guide Sets of tasks, Subtasks and Callbacks HTTP Callback Tasks countdown for when after the task should be executed. Performance Able to execute tasks while the user waits. Return Values Task return values can be saved to the selected result store backend. You can replaced if they crash. Documentation The latest documentation [http://ask.github.com/celery/] with user guides, tutorials and API reference is hosted at Github. Installation You can install celery either

Documentation, Release 4.1.0 4 Chapter 1. Getting Started CHAPTER 2 Contents Copyright Celery User Manual by Ask Solem Copyright © 2009-2016, Ask Solem. All rights reserved. This material may be --max-tasks-per-child option is used for user tasks leaking resources, like memory or file descriptors, that are simply out of your control. Read more... . • User Components Each worker component can be be customized, and additional components can be defined by the user. The worker is built up using “bootsteps” — a dependency graph enabling fine grained control of the worker’s internals. Framework Integration

Documentation, Release 4.0.2 4 Chapter 1. Getting Started CHAPTER 2 Contents Copyright Celery User Manual by Ask Solem Copyright © 2009-2016, Ask Solem. All rights reserved. This material may be --max-tasks-per-child option is used for user tasks leaking resources, like memory or file descriptors, that are simply out of your control. Read more... . • User Components Each worker component can be be customized, and additional components can be defined by the user. The worker is built up using “bootsteps” — a dependency graph enabling fine grained control of the worker’s internals. Framework Integration