celery - Online in the Cloud

PROGRAM:

NAME

celery — Celery Worker Daemon

SYNOPSIS

celery [command] [-A/--app=APP] [-b/--broker=BROKER] [--loader=LOADER]
[--config=CONFIG] [--workdir=WORKING_DIRECTORY] [-q/--quiet] [-C/--no-color]
[--version] [--help]

DESCRIPTION

This manual page documents briefly the celery command.

This manual page was written for the Debian distribution because the original program does
not have a manual page.

celery is a program that manages the Celery Worker Daemons and their queues.

COMMANDS

All inspect commands supports a --timeout argument, This is the number of seconds to wait
for responses. You may have to increase this timeout if you’re not getting a response due
to latency.

[shell] " 10 Drop into a Python shell. The locals will include the celery variable, which
is the current app. Also all known tasks will be automatically added to locals (unless the
--without-tasks flag is set). Uses Ipython, bpython, or regular python in that order if
installed. You can force an implementation using --force-ipython|-I, --force-bpython|-B,
or --force-python|-P.

[status] " 10 List active nodes in this cluster.

[result -t task name uuid] " 10 Show the result of a task. Note that you can omit the name
of the task as long as the task doesn’t use a custom result backend.

[purge] " 10 Purge messages from all configured task queues. Warning: There is no undo
for this operation, and messages will be permanently deleted!

[inspect active] " 10 List active tasks. These are all the tasks that are currently being
executed.

[inspect scheduled] " 10 List scheduled ETA tasks. These are tasks reserved by the worker
because they have the eta or countdown argument set.

[inspect reserved] " 10 List reserved tasks. This will list all tasks that have been
prefetched by the worker, and is currently waiting to be executed (does not include tasks
with an eta).

[inspect revoked] " 10 List history of revoked tasks.

[inspect registered] " 10 List registered tasks.

[inspect stats] " 10 Show worker statistics.

[control enable_events] " 10 Enable events.

[control disable_events] " 10 Disable events.

[migrate from to] " 10 Migrate tasks from one broker to another (EXPERIMENTAL). This
command will migrate all the tasks on one broker to another. As this command is new and
experimental you should be sure to have a backup of the data before proceeding. The value
for each broker should be a URL.

OPTIONS

This program follows the usual GNU command line syntax, with long options starting with
two dashes (`-'). A summary of options is included below.

-A APP --app=APP
App instance to use (e.g. module.attr_name).

-b BROKER --broker=BROKER
URL to the broker. Default is 'amqp://guest@localhost//'.

--loader=LOADER
name of custom loader class to use.

--config=CONFIG
Name of the configuration module.

--workdir=WORKING_DIRECTORY
Optional directory to change to after detaching.

--quiet

-C --no-color

--version
Show program's version number and exit.

-h --help
Show help message and exit.

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