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What is the difference between these?
I'm trying to setup celery + supervisor and some conf file on the net has more than one while others have only one.
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Introduction. celery beat is a scheduler. It kicks off tasks at regular intervals, which are then executed by the worker nodes available in the cluster. By default the entries are taken from the CELERYBEAT_SCHEDULE setting, but custom stores can also be used, like storing the entries in an SQL database.
Celery is a task management system that you can use to distribute tasks across different machines or threads. It allows you to have a task queue and can schedule and process tasks in real-time. This task queue is monitored by workers which constantly look for new work to perform.
celery-beat acts as the scheduler part of celery whereas the worker executes the tasks that are either instructed from within the application or by celery-beat .
Celery is a task queue implementation for Python web applications used to asynchronously execute work outside the HTTP request-response cycle. Celery is an implementation of the task queue concept. Learn more in the web development chapter or view the table of contents for all topics.
As far as I know, celeryd is just an old name for the celery worker command.
celerybeat is a scheduler that sends predefined tasks to a celery worker at a given time. You only need to bother with this if you want to run a task on a schedule. For example, if you had a task called backup-database that needed to be run every day at 1am, you could add that to the CELERYBEAT_SCHEDULE in your conf, which would look something like this.
CELERYBEAT_SCHEDULE = { 'backup-database': { 'task': 'tasks.backup_database', 'schedule': crontab(hour=1, minute=0, day_of_week='*'), 'args': (16, 16) }, } If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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