Skip to main content

Track K: Platform Reliability & Maintenance

Priority: MEDIUM — Required for SLA commitments Agent: sre-on-call-assistant, chaos-testing-specialist Sprint Range: S6-S9 Reference: docs/operations/66-operational-readiness.md (SLA tiers, error budgets, on-call)

Status Summary​

Progress: 0% (0/24 tasks)

SectionTitleStatusTasks
K.1SLA Management & Error BudgetsPending0/4
K.2Incident Management ProcessPending0/4
K.3Patch & Dependency ManagementPending0/4
K.4Performance Testing & OptimizationPending0/4
K.5Chaos Engineering & ResiliencePending0/4
K.6Multi-Site CoordinationPending0/4

K.1: SLA Management & Error Budgets​

Sprint: S7 | Priority: P1 | Depends On: E.3 Goal: SLI/SLO measurement with error budget tracking per tier

  • K.1.1: Implement SLI/SLO measurement system
    • SLIs: availability, latency (p50/p95/p99), error rate, throughput
    • SLOs per tier: Starter 99.5%, Professional 99.9%, Enterprise 99.95%, EP 99.99%
    • Measurement: synthetic probes + real user monitoring
  • K.1.2: Build error budget tracking
    • Calculation: monthly error budget per SLO
    • Alerting: budget burn rate at 50%, 80%, 95% thresholds
    • Enforcement: auto-freeze deployments when budget exhausted
  • K.1.3: Create SLA reporting for customers
    • Monthly reports: uptime per tenant
    • Credits: SLA credit calculation for breaches
    • Historical: trend charts
  • K.1.4: Implement maintenance window management
    • Notifications: scheduled maintenance system
    • Verification: zero-downtime deployment checks
    • Tracking: maintenance window SLA exclusion

K.2: Incident Management Process​

Sprint: S6-S7 | Priority: P1 | Depends On: E.3 Goal: Structured incident management with on-call and postmortems

  • K.2.1: Build incident management workflow
    • Severity levels: SEV1 (site down), SEV2 (degraded), SEV3 (minor), SEV4 (cosmetic)
    • On-call rotation: primary SRE + secondary backend + compliance (per doc 66)
    • Escalation paths: auto-page timers
  • K.2.2: Implement incident communication
    • Status page: Statuspage.io or similar integration
    • Customer templates: per severity notification
    • War room: internal Slack channel per incident
  • K.2.3: Build post-incident review process
    • Postmortem: blameless template
    • Action items: tracking with owners and deadlines
    • Trend analysis: MTTR, MTTD, incident frequency
  • K.2.4: Create runbook automation
    • Diagnostics: automated for common failures
    • Remediation: one-click for known issues
    • Effectiveness: runbook tracking

K.3: Patch & Dependency Management​

Sprint: S9 | Priority: P1 | Depends On: E.1 Goal: Automated dependency scanning and patch management

  • K.3.1: Implement automated dependency scanning
    • Tools: Dependabot/Renovate for npm and Python
    • License checking: no GPL in proprietary code
    • Security scanning: Snyk or GitHub Advanced Security
  • K.3.2: Build patch management workflow
    • Critical security: <24 hours to production
    • Regular patches: weekly batch during maintenance window
    • Database patches: blue-green with rollback plan
  • K.3.3: Create version management system
    • Semantic versioning: API and platform
    • Deprecation policy: minimum 6-month notice
    • Compatibility matrix: version compatibility
  • K.3.4: Implement dependency health dashboard
    • Outdated count: by severity
    • Auto-PR: creation for minor/patch updates
    • Major upgrades: planning and tracking

K.4: Performance Testing & Optimization​

Sprint: S8 | Priority: P2 | Depends On: C.1, E.2 Goal: Load testing suite with performance regression detection

  • K.4.1: Build load testing suite
    • Scenarios: normal load, peak load (3x), stress test (5x)
    • API targets: <500ms p95 (Professional), <300ms (Enterprise)
    • Concurrent users: targets per tier
  • K.4.2: Create performance regression detection
    • Automated: performance tests in CI
    • Baseline comparison: alerting on degradation >10%
    • Trending: historical performance
  • K.4.3: Implement database performance optimization
    • Monitoring: slow query log
    • Index optimization: recommendations
    • Connection pool: tuning per load profile
  • K.4.4: Build frontend performance monitoring
    • Core Web Vitals: LCP, FID, CLS
    • Bundle size: tracking and budget enforcement
    • Error tracking: Sentry or similar

K.5: Chaos Engineering & Resilience​

Sprint: S9 | Priority: P2 | Depends On: K.1-K.4 Goal: Chaos experiments and GameDay exercises for DR validation

  • K.5.1: Design chaos experiment catalog
    • Experiments: pod failure, network partition, database failover, Redis cache flush
    • Safety: compliance-safe (never touch audit trail or signature chain)
    • Approval: experiment approval workflow
  • K.5.2: Implement chaos testing framework
    • Integration: Litmus Chaos or Chaos Mesh
    • Execution: automated with safety checks
    • Monitoring: real-time impact during experiments
  • K.5.3: Conduct GameDay exercises
    • Quarterly: full-stack failure simulation
    • Cross-team: incident response practice
    • DR drill: RPO 4hr, RTO 2hr per doc 66
  • K.5.4: Build resilience scorecard
    • Blast radius: analysis per service
    • MTTR: per failure mode
    • Tracking: resilience improvement over time

K.6: Multi-Site Coordination​

Sprint: S8-S9 | Priority: P2 | Depends On: K.1, E.2 Goal: Cross-site QMS coordination for multi-site manufacturing organizations Reference: docs/operations/66-multi-site-management.md

  • K.6.1: Design multi-site data synchronization
    • Architecture: hub-and-spoke model with central QMS and site-specific data
    • Sync: near-real-time sync of shared records (SOPs, specifications, training)
    • Conflict resolution: last-writer-wins with conflict audit trail
    • Offline: offline-capable site operations with eventual consistency
  • K.6.2: Implement cross-site workflow orchestration
    • CAPAs: cross-site CAPA coordination when root cause spans sites
    • Change control: multi-site impact assessment for changes
    • Deviations: cross-site deviation trending and correlation
    • Notifications: site-specific notification routing
  • K.6.3: Build site hierarchy management
    • Structure: organization → region → site → department → area
    • Permissions: site-scoped RBAC with cross-site roles (Corporate QA)
    • Templates: site-specific workflow templates with global overrides
    • Reporting: roll-up reporting from site → region → corporate
  • K.6.4: Create inter-site transfer and traceability
    • Material transfer: quality records follow materials between sites
    • Batch traceability: cross-site batch genealogy
    • Qualification: receiving site verification workflow
    • Regulatory: site-specific regulatory requirement mapping

Updated: 2026-02-14 Compliance: CODITECT Track Nomenclature Standard (ADR-054)