Cloud Databases
Managed relational, key-value, document and analytical services.
3 to work through
-
intermediate Multiple choice
A managed database performs a routine minor-version upgrade with a 40-second failover. The application returns errors throughout. Whose problem is this?
2 min answer -
intermediate
A multi-product SaaS company runs its own database clusters on cloud instances and is considering moving to the provider's managed database service. What evidence should decide it?
2 min answer -
intermediate Multiple choice
A serverless API works in testing and fails under load with connection errors. The database is at 5% CPU. Explain and fix.
2 min answer
3 terms in this topic
Cloud Databases
Managed and cloud-native database services — where the operational relief is real, and where the abstraction leaks.
toolConnection Proxy
A pooling layer between applications and a managed database that multiplexes many client connections onto a small number of database connections.
conceptProvisioned vs Serverless Capacity
Paying for a fixed database size continuously, versus paying for capacity consumed with automatic scaling — a crossover decision driven by duty cycle.
Neighbouring topics
Cloud Architecture
General material on designing for cloud platforms.
Compute Models
Instances, containers and functions, and what each is priced and shaped for.
Cloud Storage
Object, block and file storage, and the access patterns each suits.
Containers
Images, registries, immutability and the deployment model they enable.
Kubernetes
The reconciliation loop, and whether the workload needs what it provides.
Serverless
Scale to zero, per-request billing, cold starts and connection limits.
Autoscaling
Signals, delays and bounds — and the maximum that caps a runaway bill.
Load Balancing
Distributing traffic, health checking, and removing failures from rotation.
Multi-Region Architecture
Surviving a region, and the data consistency price of doing so.
Availability Zones
The unit of correlated physical failure, and what zones do not protect against.
Disaster Recovery
Backup-restore, pilot light, warm standby and active-active postures.
Backup Strategies
Scope, immutability, separation, and the restore drill that makes it real.
Infrastructure as Code
Declarative infrastructure, drift, state files and rebuild-from-empty.
Landing Zones
A governed foundation of accounts, network, identity and guardrails.
Managed Services
Which operational responsibilities actually transfer, and which do not.
Cloud Migration
Per-application disposition, sequencing and the capability change underneath.
Multi-Cloud
Best-of-breed, portfolio and portable — three very different costs.
Edge Computing
Moving compute towards the user, and what cannot follow it.
Cloud Governance
Preventive policy, tagging, quotas and cost and security guardrails.