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In a GCP Kubernetes cluster is there a command to find out the maximum number of nodes? I have a Kubernetes cluster and need to identify if I can fit my pods to the nodes since there is a taint limiting one pod to one node.

If I want to have 50 pods, I need to know what limit there is on the number of nodes since one pod will match one node.

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In a GCP Kubernetes cluster there is no command to find out the maximum number of nodes

According to this official doc

Standard cluster:

1)Maximum number of nodes per GKE standard cluster is 15000 nodes

2)Maximum number of node pools in a cluster is 15 node pools

3)Maximum number of nodes in each pool is 1000 nodes.

Note:

  • If you plan to run more than 2,000 nodes, use a regional cluster.
  • If you want to run more than 5,000 nodes it requires lifting a cluster size quota. Contact support for assistance.

Autopilot cluster:

1)Maximum number of nodes per Autopilot cluster is 5000 nodes

Note:

  • If you plan to run more than 1,000 nodes, use GKE Autopilot version 1.23 or newer.
  • Running more than 400 nodes may require lifting a cluster size quota for clusters that were created on earlier versions. Contact support for assistance.
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  • I hope the above information clarifies your queries. Could you please let me know if you have any additional queries and I am happy to assist further Commented May 10, 2023 at 3:48
  • I'm looking for the answer for a specific Kubernetes cluster, how to determine the limit of nodes on a specific cluster Commented May 10, 2023 at 8:06
  • In the question itself you mention GkE cluster.So,I have provided information from GKE official doc.could you elaborate on specific cluster means Commented May 10, 2023 at 18:55
  • I think the answer is something like: gcloud container clusters describe myclustername --zone us-east1 | grep maxNodeCount Commented May 11, 2023 at 2:05
  • If you want to know how many maximum nodes are there in your existing cluster To describe an existing cluster, run: gcloud container clusters describe sample-cluster Commented May 11, 2023 at 2:46

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