How Many Namespaces Can Be Created in a Cluster?
In a Kubernetes cluster, there is no set limit on the number of namespaces that can be created. However, the actual number of namespaces that can be created may be limited by other factors.
- Resource limit
In a CCE cluster, as the cluster scale increases, the resources of the master nodes also increase, allowing for support of more namespaces. However, each namespace consumes control plane resources to store metadata. Therefore, a high number of namespaces could lead to resource shortages on the cluster control plane, impacting cluster stability.
- Performance limit
For the cluster control plane, having a large number of namespaces can overload the API server and slow down response speed. Retrieving resources from all namespaces requires traversing more data, leading to decreased cluster performance.
It is recommended that you create namespaces only when necessary. Additionally, setting appropriate resource quotas and limits for each namespace can help maintain cluster stability and performance.
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