…dicated workers to high priority task This is useful when you need to DJ a lot of tasks that need to be run quickly such as things that affect the UI like image transformations. Dedicate some workers to high priority jobs only when you have a lot of long running low priority tasks that could otherwise clog all the workers.
… are destroyed by default)
…_later :process, id
…ve lock to the same job
… task instead of how long it will be locked by the worker. This allows us to get a reading on how long a task took to execute.
…g multiple job runners on the same machine or across your server farm. This requires two new columns in the job table: locked_by and locked_until