Every alert threshold is a bet about what's worth waking someone at 3 AM. Learn to set thresholds that catch real problems without training your team to ignore them.
Alert severity levels protect human attention—the scarcest resource in incident response. When everything screams, nobody can hear.
When an alert goes to everyone, it goes to no one. Routing creates accountability by matching alerts to the people who own the systems, have the expertise, and are actually awake.
On-call is a social contract: someone agrees to have their sleep interrupted in exchange for the promise it won't be abused. Here's how to design rotations that honor that contract.
Alert fatigue is a trust problem. Every false alarm trains your team to ignore the next one—including the real emergency. Here's how monitoring systems become background noise, and how to rebuild the credibility that makes alerts worth heeding.
False positives train your team to ignore alerts. Every 3 AM page for nothing teaches engineers to hesitate when real fires start—and that hesitation is the actual cost.
False negatives are monitoring's most dangerous failure mode—not wrong alerts, but missing ones. When your dashboards show green while users experience outages, you've lost the ability to trust your own systems.
When a database crashes, fifty alerts tell you the same thing. Deduplication and correlation answer the only question that matters: what actually broke?
Runbooks are letters from your calm past self to your panicked future self—step-by-step guidance that turns 2 AM chaos into a solvable problem.
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