Amazon SQS FIFO queue quotas
Amazon SQS quotas
The following table lists quotas related to FIFO queues.
| Quota | Description |
|---|---|
| Delay queue | The default (minimum) delay for a queue is 0 seconds. The maximum is 15 minutes. |
| Listed queues | 1,000 queues per ListQueues request. |
| Long polling wait time | The maximum long polling wait time is 20 seconds. |
| Message groups | There is no quota to the number of message groups within a FIFO queue. |
| Messages per queue (backlog) | The number of messages that an Amazon SQS queue can store is unlimited. |
| Messages per queue (in flight) |
For FIFO queues, there can be a maximum of 20,000 in flight messages (received from a queue by a consumer, but not yet deleted from the queue). If you reach this quota, Amazon SQS returns no error messages. |
| Queue name | The name of a FIFO queue must end with the |
| Queue tag | We don't recommend adding more than 50 tags to a queue. Tagging supports Unicode characters in UTF-8. |
The tag Key is required, but the tag Value is
optional. |
|
The tag Key and tag Value are case-sensitive. |
|
The tag Key and tag Value can include Unicode
alphanumeric characters in UTF-8 and whitespaces. The following special characters are
allowed: _ . : / = + - @ |
|
The tag Key or Value must not include the reserved
prefix aws: (you can't delete tag keys or values with this
prefix). |
|
The maximum tag Key length is 128 Unicode characters in UTF-8. The
tag Key must not be empty or null. |
|
The maximum tag Value length is 256 Unicode characters in UTF-8. The
tag Value may be empty or null. |
|
| Tagging actions are limited to 30 TPS per AWS account. If your application requires a higher throughput, submit a request |
