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I need to keep track of how many failed attempts have been made to process a message in an azure storage queue and delete the message after N unsuccesful attempts.
I have searched, but have not found any particular property that does this automaticaly and was wondering if there was a way other than using a counter in a storage table.
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Azure documentation states that Storage queue message cannot exceed 64 KB.
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.
This count is maintained by Azure Queue service, this is per message count. The DequeueCount element has a value of 1 the first time the message is dequeued. This value is incremented each time the message is subsequently dequeued.
Azure Queues provide a uniform and consistent programming model across queues, tables, and BLOBs – both for developers and for operations teams. Service Bus queues provide support for local transactions in the context of a single queue.
Each cloud queue message has a DequeueCount property. Does this help?
REST API reference here.
As for how to delete messages automatically after n attempts: There's nothing that automatically does this. You'll need to implement your own poison-message handling in Windows Azure queues, based on DequeueCount.
Alternatively, Azure Service Bus queues have a dead-letter queue for undeliverable messages (or ones that can't be processed). More info here.
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