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@@ -41,8 +41,9 @@ The result of the task can be stored for later retrieval (called its
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Features
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========
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- * Uses AMQP messaging (RabbitMQ, ZeroMQ) to route tasks to the
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- worker servers.
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+ * Uses AMQP messaging (RabbitMQ, ZeroMQ, Qpid) to route tasks to the
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+ worker servers. Experimental support for STOMP (ActiveMQ) is also
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+ available.
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* You can run as many worker servers as you want, and still
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be *guaranteed that the task is only executed once.*
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@@ -56,7 +57,8 @@ Features
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* When a task has been executed, the return value can be stored using
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either a MySQL/Oracle/PostgreSQL/SQLite database, Memcached,
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- or Tokyo Tyrant back-end.
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+ or Tokyo Tyrant back-end. For high-performance you can also use
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+ AMQP to publish results.
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* If the task raises an exception, the exception instance is stored,
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instead of the return value.
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@@ -64,6 +66,13 @@ Features
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* All tasks has a Universally Unique Identifier (UUID), which is the
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task id, used for querying task status and return values.
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+ * Tasks can be retried if they fail, with a configurable maximum number
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+ of retries.
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+
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+ * Tasks can be configured to run at a specific time and date in the
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+ future (ETA) or you can set a countdown in seconds for when the
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+ task should be executed.
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+
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* Supports *task-sets*, which is a task consisting of several sub-tasks.
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You can find out how many, or if all of the sub-tasks has been executed.
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Excellent for progress-bar like functionality.
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@@ -83,6 +92,9 @@ Features
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* Pool workers are supervised, so if for some reason a worker crashes
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it is automatically replaced by a new worker.
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+ * Can be configured to send e-mails to the administrators when a task
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+ fails.
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+
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API Reference Documentation
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===========================
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@@ -121,10 +133,9 @@ You can install it by doing the following,::
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Using the development version
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------------------------------
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-
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You can clone the repository by doing the following::
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- $ git clone git://github.com/ask/celery.git celery
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+ $ git clone git://github.com/ask/celery.git
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Usage
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Ask Solem