Ask HN: What is your favorite open-source job scheduler

[bohinjc]

Too many business scripts rely on cron(8) to run. Classic cron cannot handle task duration, fail (only with email), same-task piling, linting, ...

So what is your favorite open-source, easy to bundle/deploy job scheduler, that is easy to use, has logging capacity, config file linting, and can handle common use-cases : kill if longer than, limit resources, prevent launching when previous one is nor finished, ...

[westurner]

systemd-crontab-generator may be usable for something like linting classic crontabs? https://github.com/systemd-cron/systemd-cron

Systemd/Timers as a cron replacement: https://wiki.archlinux.org/index.php/Systemd/Timers#As_a_cro...

Celery supports periodic tasks:

> Like with cron, the tasks may overlap if the first task doesn’t complete before the next. If that’s a concern you should use a locking strategy to ensure only one instance can run at a time (see for example Ensuring a task is only executed one at a time).

http://docs.celeryproject.org/en/latest/userguide/periodic-t...

[IpV8]

Monit does many of these things. More for monitoring than scheduling, but you could easily make a script that handles the timing side of things.

[InGodsName]

Cloudwatch events.

I know it's not what you want but that's all i use.