Docs Index TODO: Fix doc links. Advanced Setup Using ActiveRecord Without Rails Forking Servers Managing the Jobs Table Other Setup Customizing Que Recurring Jobs DelayedJob-style Jobs QueueClassic-style Jobs Retaining Finished Jobs Not Retrying Certain Failed Jobs Error Handling Inspecting the Queue Job Stats Worker States Custom Queries Logging Logging Job Completion Managing Workers Working Jobs Via Executable Thread-Unsafe Application Code The Wake Interval Manually Waking Workers Connection Pool Size Migrating Multiple Queues Shutting Down Safely Using Plain Postgres Connections Using Sequel Writing Reliable Jobs Timeouts Vacuuming