SRE Incident Response

Managing incidents and conducting effective postmortems.

Incident Severity Levels

P0 - Critical

• Impact: Service completely down or major functionality unavailable
• Response: Immediate, all-hands
• Communication: Every 30 minutes
• Examples: Complete outage, data loss, security breach

P1 - High

• Impact: Significant degradation affecting many users
• Response: Immediate, primary on-call
• Communication: Every hour
• Examples: Elevated error rates, slow response times