Queues backlog size
Limit · queues
A Cloudflare Queue stops accepting messages at a 25 GB backlog.
Free plan
25 GB. send fails with Storage Limit Exceeded at the cap.
Paid plan
25 GB.
What it means
An account can have 10,000 queues. Consumer invocations are limited to 250 concurrent for push consumers, with 15 minutes of wall time.
What it does to a bill
Backlog is a hard stop, not a storage line in the public price table.
Sources
- Queues limitsOfficial