Alerting keeps developers up to date on the state of critical metrics in their applications. It enables you to stay ahead of issues and performace degradations.
When a predefined threshold is met, such as a sudden spike in error rates or a significant increase in latencies, an alert is triggered to notify the team. For example, a you may set up an alert to be notified via email or Slack when the CPU utilization of a server exceeds a 85% for an extended period.
You can set up your own DIY alerting with cron jobs to schedule metrics checks on pre-defined intervals and notify you when thresholds are exceeded.
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