How is this different from beanstalkd ? From the README file persistence seems like its main feature, but beanstalkd already has this (via a write-ahead log), a

How is this different from beanstalkd ? From the README file persistence seems like its main feature, but beanstalkd already has this (via a write-ahead log), along with priority, delayed jobs, burying/kicking jobs, TTR, explicit ACK (for distributed workers), etc.