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add the ability to disable RabbitMQ queue durability

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Ryan Petrello
2019-05-22 14:18:05 -04:00
parent 8c56d1d3a7
commit 40b1e89b67
9 changed files with 66 additions and 5 deletions
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docs/tasks.md
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@@ -28,6 +28,8 @@ To accomplish this, AWX makes use of a "Task Queue" abstraction. Task Queues ar
AWX communicates with these worker processes to mediate between clients and workers. This is done via distributed RabbitMQ queues and the already-acknowledged local queue that the Dispatcher is working through. Simply put: to initiate a task, the client (generally, Python code in the AWX API) publishes a message to a queue, and RabbitMQ then delivers that message to one or more workers.
By default, when AWX creates queues in RabbitMQ, it creates them as *durable* queues in RabbitMQ (which allows for message persistence at the cost of lower performance). For increased message throughput (at the risk of message loss on server restarts), set BROKER_DURABILITY=False, and AWX will create _transient_ queues instead.
Clustered AWX installations consist of multiple workers spread across every
node, giving way to high availability and horizontal scaling.