What are Azure Queues?
Azure Queue storage is a service for storing large numbers of messages that can be accessed from anywhere in the world via authenticated calls using HTTP or HTTPS. A single queue message can be up to 64 KB in size, and a queue can contain millions of messages, up to the total capacity limit of a storage account.
Common uses of Queue storage include:
- Creating a backlog of work to process asynchronously
- Passing messages from an Azure web role to an Azure worker role
Queue service concepts
The Queue service contains the following components:
URL format: Queues are addressable using the following URL format:
The following URL addresses a queue in the diagram:
Storage account: All access to Azure Storage is done through a storage account. See Azure Storage Scalability and Performance Targets for details about storage account capacity.
Queue: A queue contains a set of messages. All messages must be in a queue. Note that the queue name must be all lowercase. For information on naming queues, see Naming Queues and Metadata.
Message: A message, in any format, of up to 64 KB. The maximum time that a message can remain in the queue is seven days.
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