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- Delayed Job
On the recordRead 5 Oct 202612 facts
Delayed Job
Plans and prices
MIT-licensed software
Free
MIT license; Ruby >= 3.2
Read 5 Oct 2026 · github.com
On the record
- Failed-job handling
- Failed jobs are deleted by default after retries, but the worker can be configured to keep them in the database.github.com · read 5 Oct 2026
- Purpose
- Delayed::Job is a database-backed priority queue for running longer tasks asynchronously in the background.github.com · read 5 Oct 2026
- Queueing
- Methods can be queued with `.delay`, with options for priority, scheduled run time, and named queues.github.com · read 5 Oct 2026
- Rails integration
- Rails 4.2 and later can use Delayed::Job as the Active Job queue adapter.github.com · read 5 Oct 2026
- Requirements
- The current gem specification requires Ruby 3.2 or later and ActiveSupport 3.0 or later but below 9.0.github.com · read 5 Oct 2026
- Retry behavior
- Failed jobs are rescheduled with a delay based on the attempt count, and the default maximum is 25 attempts.github.com · read 5 Oct 2026
- Runtime limit
- The default maximum job runtime is four hours; the documentation warns that a longer job could be picked up by another computer.github.com · read 5 Oct 2026
- Security and warranty
- The MIT license grants use, copying, modification, distribution, sublicensing, and sale, and provides the software as-is without warranty.github.com · read 5 Oct 2026
- Storage backends
- The documentation describes Active Record and Mongoid backends for storing the job queue.github.com · read 5 Oct 2026
- Support
- The README points users to a Google Groups mailing list and Stack Overflow for help.github.com · read 5 Oct 2026
- Use cases
- The project lists newsletter sending, image resizing, HTTP downloads, batch imports, and spam checks among its uses.github.com · read 5 Oct 2026
- Workers
- Background workers can be started as separate processes and assigned to specific queues or worker pools.github.com · read 5 Oct 2026
