Shameless plug for something I've written recently on the same topic: I spent a few months researching a "philosophy" on monitoring and alerting in production

Shameless plug for something I've written recently on the same topic: I spent a few months researching a "philosophy" on monitoring and alerting in production environments and wrote up some (related but different) conclusions: https://www.scalyr.com/community/guides/zen-and-the-art-of-system-monitoring https://www.scalyr.com/community/guides/zen-and-the-art-of-s... https://www.scalyr.com/community/guides/how-to-set-alerts https://www.scalyr.com/community/guides/how-to-set-alerts My focus was more on system-level monitoring/alerting vs application-level, but the philosophies are similar.