Reliability & Observability

Keeping production systems healthy: SLOs, the three pillars of observability, incident response, and chaos engineering.

Concepts

The vocabulary reliability is measured in, and how an error budget turns 'be reliable' into a concrete number.

The three pillars of observability, and what question each one is actually good at answering.

Running an incident from detection to resolution, and writing a blameless postmortem that actually prevents a repeat.

Knowing how much traffic a system can take before it does, through modeling and deliberate load testing.

Deliberately injecting failure into a system to verify it actually survives what you assume it survives.

Designing alerts that page for what actually needs a human, and structuring on-call sustainably.