The baseline concept and object models of SQS
There are multiple things to take into consideration before you start with Amazon SQS. Consider the following points:
- You have to assign a unique name to every queue. The name of the queue or a subset of the queue can have the same initial characters.
- A queue can be empty if you haven't sent any messages to it or deletion happened in the queue from your side. Deletion can be done at any point of time in the queue.
- A queue will retain messages until four days after their creation. Moreover, you can increase this period to 14 days after the message has been sent.
- Amazon SQS can delete your queue without any prior notification if the following actions are not performed on the queue for 30 consecutive days: ...