SRE・運用キット

Service SLO document: user journeys, SLI specs and queries, targets, error budget math, multiwindow burn-rate alerts, review

Error budget policy: SLOs covered, budget and burn-rate maths, thresholds, feature freeze, escalation, exceptions, sign-off

Observability spec: logs, metrics and traces standards, semantic conventions, log schema, RED/USE catalogue, sampling, alerts, privacy, cost

Capacity plan: demand forecast with growth model, utilisation, headroom policy, resource models, bottlenecks, scaling, lead times, cost

Production readiness review: SLOs, load test evidence, observability, on-call, rollback, backups, security, failure modes, sign-off

Service runbook: overview, dependencies, dashboards, per-alert diagnosis and mitigation with commands, common tasks, rollback, contacts

Deployment runbook: release metadata, pre-deploy checklist, go/no-go, steps with verification, canary rollout, rollback, comms

On-call handbook: rotation and handover, severity matrix, response targets, escalation, first 15 minutes, comms templates, wellbeing

Software failure modes, effects, causes, controls, S/O/D scales, RPN and action priority, actions and re-scoring

Chaos engineering experiment: steady state, hypothesis, faults, blast radius, abort conditions, runbook, results, actions

Game day exercise: objectives, scenarios, roles, schedule, safety controls, comms, detection and response scoring, debrief

IT disaster recovery plan: roles, contact tree, BIA with RTO/RPO/MTD, activation flow, recovery procedures, reconstitution, exercises

Backup and restore procedure: data inventory, policy table with 3-2-1 check, jobs, monitoring, step-by-step restore, test evidence log

IR phases, severity matrix, comms

Incident comms plan: audiences, severity matrix, roles, cadence, status page and customer messages, executive brief

Blameless incident postmortem: impact and error budget consumed, UTC timeline, root cause, 5 Whys, action items, lessons