Demystifying Kubernetes for Postgres DBAs; A Guide to Operators
summary
Shows an operator-driven Postgres workflow using CloudNativePG and standard tools like kubectl, with a live demo that boots a 3-instance cluster (1 primary + 2 standbys), auto-creates extensions (PG audit logged in the pod output), performs a declarative rolling upgrade from 16.3 to 16.4, and promotes a standby while the application misses only one heartbeat. Covers migration advice (prefer logical replication), backups (volume snapshots, Velero), metrics (Prometheus/Grafana), SBOMs (sift), and storage/PVC tradeoffs.
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chapters (13)
- 0:00Introduction to Kubernetes
- 2:37Understanding Kubernetes
- 5:22The role of operators
- 7:48Operator deployment logic
- 10:59Operational workflows
- 19:25DBA task evolution
- 22:42Security considerations
- 27:06Supply chain and SBOMs
- 28:53Storage and capacity
- 30:48Monitoring and logging
- 33:57Backup and recovery
- 36:36Managing extensions
- 40:20Advanced K8s configurations
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