It might surprise you that the version of cron that runs on your server today is largely compatible with the crontab spec written in the 1970s. One downside of this careful backwards compatibility is that jobs, even on the same server, can be created and scheduled differently.
Cron job failures create chaos for your users and your team. After analyzing over a million failure reports these 4 problems emerged as the most likely causes of preventable job failures.
Last year we introduced Field Agent, an important addition to your toolkit that gathers extra data on your critical tasks, packages it up, and radios it back to Dead Man's Snitch. Since then, we've been working on new ways to leverage the data that Field Agent collects to give you more insight into your Snitches and their failures.