Remove scope 'ordered'
Improve job logging: print process id
Remove debugging output
Log process termination
Store unique identifier on monitoring job
Don't perform outdated monitoring jobs
Allow resuming stopped recordings
Improve process error messages
Increase timeout for termination of recording job
Remove unused error classes
Remove obsolete monitoring job retrieval
Reset stopped_at when resuming
Remove unsupported process handling from Open3

(unsupported in Ruby 1.8)
Use break to end loop
Use SIGQUIT to terminate with DelayedJob

DelayedJob traps INT and TERM
Log process termination status in case of error
Parts must contain at least 2000 bytes
Rename job to worker