Introduction to Azure Queue Storage - Azure Storage (original) (raw)

What is Azure Queue Storage?

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Azure Queue Storage is a service for storing large numbers of messages. You access messages from anywhere in the world via authenticated calls using HTTP or HTTPS. A queue message can be up to 64 KB in size. A queue may contain millions of messages, up to the total capacity limit of a storage account. Queues are commonly used to create a backlog of work to process asynchronously, like in the Web-Queue-Worker architectural style.

Queue Storage concepts

Queue Storage contains the following components:

• URL format: Queues are addressable using the following URL format:
  https://<storage account>.queue.core.windows.net/<queue>
  The following URL addresses a queue in the diagram:
  https://myaccount.queue.core.windows.net/images-to-download
• Storage account: All access to Azure Storage is done through a storage account. For information about storage account capacity, see Scalability and performance targets for standard storage accounts.
• Queue: A queue contains a set of messages. 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. Before version 2017-07-29, the maximum time-to-live allowed is seven days. For version 2017-07-29 or later, the maximum time-to-live can be any positive number, or -1 indicating that the message doesn't expire. If this parameter is omitted, the default time-to-live is seven days.

Next steps

• Create a storage account
• Get started with Queue Storage using .NET
• Get started with Queue Storage using Java
• Get started with Queue Storage using Python
• Get started with Queue Storage using Node.js

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