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On the recordRead 11 Oct 202618 facts
Solid Queue
On the record
- Active Job behavior
- Solid Queue relies on Active Job for retries, discarding, error handling, serialization, and delays.github.com · read 11 Oct 2026
- Active Job handling
- Solid Queue relies on Active Job for retries, discarding, error handling, serialization, and delays.github.com · read 5 Oct 2026
- Dashboard integration
- The README recommends Mission Control Jobs for viewing jobs and examining, retrying, or discarding failed jobs.github.com · read 11 Oct 2026
- Database support
- It can use MySQL, PostgreSQL, or SQLite as its SQL database.github.com · read 11 Oct 2026
- Execution modes
- Its supervisor runs in fork mode by default, with async mode available as an alternative.github.com · read 11 Oct 2026
- Job execution
- Workers can run jobs using threads or fibers, and the supervisor can run workers and dispatchers in fork or async mode.github.com · read 5 Oct 2026
- Job features
- It supports delayed and recurring jobs, concurrency controls, pausing queues, numeric job priorities, queue-order priorities, and bulk enqueuing.github.com · read 11 Oct 2026
- License
- The repository identifies its license as MIT.github.com · read 11 Oct 2026
- Performance requirement
- For highest throughput, the project recommends MySQL 8+, MariaDB 10.6+, or PostgreSQL 9.5+; SQLite is described as an option for smaller applications.github.com · read 11 Oct 2026
- Puma integration
- A Puma plugin can run the Solid Queue supervisor alongside Puma, but phased restarts are not currently supported by the plugin.github.com · read 5 Oct 2026
- Purpose
- Solid Queue is a database-based queuing backend for Active Job.github.com · read 11 Oct 2026
- Rails and Ruby requirements
- The minimum supported versions are Rails 7.1 and Ruby 3.2, and Solid Queue is configured by default in new Rails 8 applications.github.com · read 5 Oct 2026
- Rails support
- Solid Queue is configured by default in new Rails 8 applications and supports Rails 7.1 or later.github.com · read 11 Oct 2026
- Ruby requirement
- The documented minimum supported Ruby version is 3.2.github.com · read 11 Oct 2026
- Scaling
- It supports horizontal scaling, including running workers or dispatchers on multiple machines separate from the web server.github.com · read 11 Oct 2026
- Security
- The repository's Security page does not display security policy content while signed out.github.com · read 11 Oct 2026
- Throughput limitation
- For highest throughput, the project recommends MySQL 8+, MariaDB 10.6+, or PostgreSQL 9.5+; older versions can encounter lock waits with multiple workers on the same queue.github.com · read 5 Oct 2026
- Transactional behavior
- A separate queue database is the default because relying on transactional integrity between app data and jobs can cause behavior changes if the backend or database setup changes.github.com · read 5 Oct 2026
