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I'm curious, how does Cronitor actually monitor that the URLs were pinged at the correct times or at all? Part of me thinks they are using cron to check statuse
by rdoherty 10y ago
I'm curious, how does Cronitor actually monitor that the URLs were pinged at the correct times or at all? Part of me thinks they are using cron to check statuses?
- encoderer 10y agoWe built a python daemon that owns a shard of monitors, iterates them, reads recent history, and dispatches alerts when appropriate. The key things I thought were important when it was built were: - stateless (needs to be able to be arbitrarily restarted at any time) - fast (we need to be able to send alerts right when a job fails) - simple (we will run pings thru a series of simple evaluators where test coverage is easy)