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Latchu@DevOps
Latchu@DevOps

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Part-77: ๐Ÿš€GKE Cluster Modes & Types โ€“ Explained Simply

When working with Google Kubernetes Engine (GKE), youโ€™ll come across two key concepts:

Cluster Modes โ†’ How you run/manage the cluster

Cluster Types โ†’ How your cluster is deployed and connected

Letโ€™s break it down ๐Ÿ‘‡


๐ŸŸข GKE Cluster Modes

g1

1. GKE Standard

  • You (the user) are responsible for managing and operating the nodes.
  • More flexibility โ†’ you control scaling, machine types, and configurations.
  • Best for teams that need fine-grained control over infrastructure.

2. GKE Autopilot

  • Google takes care of provisioning, scaling, and managing the cluster nodes.
  • You only define Pods and workloads, and GKE ensures they run.
  • Best for teams that want to focus on applications, not infrastructure.

๐Ÿ‘‰ Key difference:

  • Standard = You manage both control plane + nodes.
  • Autopilot = You only manage workloads, Google manages everything else.

๐ŸŸฃ GKE Cluster Types

Regardless of mode, you can choose different cluster types based on your needs:

  1. Zonal Cluster โ†’ Runs in a single zone (simpler but less resilient).
  2. Regional Cluster โ†’ Spans multiple zones in a region (higher availability).
  3. Public Cluster โ†’ API server accessible via public IP.
  4. Private Cluster โ†’ API server access is restricted to private IPs.
  5. Alpha Cluster โ†’ Experimental features enabled (not for production).
  6. Windows Node Pool Cluster โ†’ Runs Windows-based workloads alongside Linux.

๐Ÿ—๏ธ GKE Standard vs Autopilot Cluster Architecture

g2

๐Ÿ”น GKE Standard Cluster

  • User interacts with API Server via kubectl.
  • Control Plane (API Server, Scheduler, Controllers, Storage) is provisioned by Google.
  • But the user must maintain and operate the nodes (e.g., patching, scaling).
  • You manage node pools, VM types, and upgrades.

โžก๏ธ Summary: More control, but more operational overhead.


๐Ÿ”น GKE Autopilot Cluster

g3

  • User still interacts with API Server via kubectl.
  • Control Plane is managed by Google (same as Standard).
  • Nodes are also provisioned and managed by Google โ†’ you donโ€™t see or manage VM instances.
  • You only define Pods โ†’ GKE decides how/where to run them.

โžก๏ธ Summary: Less control, but minimal operational overhead.


โœ… Which One Should You Choose?

Choose Standard if you want:

  • Full control over infrastructure
  • Custom VM types or OS
  • Hybrid workloads (Linux + Windows nodes)

Choose Autopilot if you want:

  • Hands-off operations
  • Automatic scaling and cost optimization
  • Focus on deploying apps, not managing nodes

GKE Standard vs Autopilot Cluster โ€“ Feature Comparison

Features GKE Standard Cluster GKE Autopilot Cluster
GKE Control Plane Managed by GKE Managed by GKE
Node and Node Pools Created, configured, and managed by you Managed by GKE
Provisioning Resources You manually provision additional resources and set the overall cluster size GKE dynamically provisions resources based on your Pod specifications
Billing / Pricing Pay per node (CPU, memory, boot disk) 1. Pay per Pod
2. Based on Pod requests (CPU, memory, ephemeral storage)
Location Availability Regional or Zonal Regional

๐Ÿ‘‰ In short:

GKE Standard = You maintain + operate nodes
GKE Autopilot = Google maintains + operates nodes


๐ŸŒŸ Thanks for reading! If this post added value, a like โค๏ธ, follow, or share would encourage me to keep creating more content.


โ€” Latchu | Senior DevOps & Cloud Engineer

โ˜๏ธ AWS | GCP | โ˜ธ๏ธ Kubernetes | ๐Ÿ” Security | โšก Automation
๐Ÿ“Œ Sharing hands-on guides, best practices & real-world cloud solutions

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