When working with SQS queues, the service is designed to have some limitations as far as the size and duration of operations are concerned. The following limits apply to the SQS:
- The queue names need to be unique within a region and can have up to 80 characters
- The queues should have no more than 50 tags associated with them
- The maximum message size is 256 KB (including all metadata)
- A maximum of 10 metadata attributes are supported per message
- The message delivery timeout can be between 0 and 15 seconds
- The message retention period can be between 60 seconds and 14 days (default is 4 days)
- The visibility timeout can be set between 0 seconds and 12 hours (default is 30 seconds)
- The FIFO queues support up to 300 transactions per second (3000 messages in batches)
- Batches of up to 10 messages can be read or written to the queue
Other limitations apply to policies and...