KubernetesSubmissions

Exercises

Chapter 2

• 1.1.
• 1.2.
• 1.3.
• 1.4.
• 1.5.
• 1.6.
• 1.7.
• 1.8.
• 1.9.
• 1.10.
• 1.11.
• 1.12.
• 1.13.

Chapter 3

• 2.1.
• 2.2.
• 2.3.
• 2.4.
• 2.5.
• 2.6.
• 2.7.
• 2.8.
• 2.9.
• 2.10.

Chapter 4

• 3.1.
• 3.2.
• 3.3.
• 3.4.
• 3.5.
• 3.6.
• 3.7.
• 3.8.
• 3.9.
• 3.10.
• 3.11.
• 3.12.

Chapter 5

• 4.1.
• 4.2.
• 4.3.
• 4.4.
• 4.5.
• 4.6.
• 4.7.
• 4.8.

Chapter 6

• 5.4.
• 5.6.
• 5.7.

PostgreSQL in GKE (StatefulSet + PVC)

Advantages

• Lower cost.
• Full control over PostgreSQL configuration.
• Portable to any Kubernetes cluster.

Disadvantages

• You are responsible for installation, upgrades and maintenance.
• You must configure backups yourself.
• Lower availability.
• Uses CPU and memory from your Kubernetes cluster.

Google Cloud SQL (DBaaS)

Advantages

• Very little database administration.
• Automatic backups and easy restore.
• High availability and failover are built in.
• Does not consume resources from the Kubernetes cluster.

Disadvantages

• Higher cost.
• Less control over the database server.
• Tied to Google Cloud services.

Execise 4.3

count(
  kube_pod_info{
    namespace="monitoring",
    created_by_kind="StatefulSet"
  }
)