Production Patterns
High availability, disaster recovery, and production-ready architectures.
High Availability
HA Patterns
- Multi-zone deployment: Spread pods across availability zones
- Multiple replicas: Run 3+ replicas for critical services
- PodDisruptionBudgets: Maintain minimum available pods during updates
- Readiness probes: Only route traffic to healthy pods
- Circuit breakers: Prevent cascade failures
Disaster Recovery
Backup Strategy
- • Regular etcd backups (automated, tested restores)
- • PersistentVolume snapshots
- • Application-level backups for databases
- • GitOps repos as config backup
- • Document recovery procedures
Multi-Cluster Patterns
- • Active-active for global distribution
- • Active-passive for DR
- • Federation for unified management
- • Service mesh for cross-cluster communication
Key Takeaways
- • Distribute workloads across multiple zones
- • Implement comprehensive backup and recovery
- • Use PodDisruptionBudgets for availability
- • Test disaster recovery procedures regularly