1 Allow the output of a job to be listed. This is pretty easy since we
2 know the tmpdir and the output file.
4 How to deal with stuck / long-running jobs?
6 - We should have instance/timeout settings that allows us to deal
7 with jobs that run too long:
9 job "foo" timeout 1 hour ... # timeout the job after an hour
10 job "bar" single instance ... # only one instance can run
11 job "bar" kill previous ... # kill previous if still running
13 Implement native dynlink.