Lumpik is the job queue system for general purpose.
see https://github.com/ainame/Lumpik/tree/master/Sources/Examples/
Please host local redis-server at firtst. Do 100,000 no-op jobs, and measure its throughput.
$ git clone https://github.com/ainame/Lumpik.git
$ cd Lumpik
$ gem install redis
$ scripts/load.sh