Managed Kubernetes node configurations
In a Managed Kubernetes cluster, node groups can be created using cloud server configurations and configurations on a dedicated server.
To see the availability of configurations in the regions, see the availability matrix Managed Kubernetes.
When choosing a configuration, consider that some of the resources reserved for system components, so the number of resources available for placing pods is different from the number specified in the configuration.
Node configurations on the cloud server
Three types of configurations are available for nodes on the cloud server:
- arbitrary configurations — any resource ratio can be specified;
- fixed configurations with GPU — ready configurations of nodes with graphics processors and with specified resource ratio;
- Other fixed configurations (flavors) of cloud servers — several ranges with different specifications, in which the resource ratio is fixed. Can only be added via API Managed Kubernetes or Terraform.
You can compare the available configurations in the table Comparison of node configurations on a cloud server.
If the available configurations do not suit you, for example, you need more vCPU or RAM, file a ticket — we'll pick configurations with a different number of resources.
Custom configurations
In custom node configurations, you can specify the required number of resources. The limits depend on the pool you can see them in the table Comparison of node configurations on a cloud server.
As a boot disk for node you can select local disk or one of the four network disk types.
Fixed configurations with GPU
You can select a fixed configuration with dedicated GPUs and a specified resource ratio. For detailed specifications of the GPUs, refer to the instruction manual Create a Managed Kubernetes cluster with GPUs.
The configurations correspond to GPU Line cloud servers.
You can select one of four disks as a boot disk for node network disk types.
Comparison of node configurations on a cloud server
If the default Managed Kubernetes configurations are not suitable, you can use the fixed cloud server configurations.
Managed Kubernetes configurations
Fixed cloud server configurations
*If the configuration has more than 8 vCPUs, you can select RAM with a ratio of at least 1:2. For example, if you select 10 vCPUs, the RAM must be at least 20 GB.
**If there are more than 8 vCPUs in the configuration, you can select a local disk size with a ratio of at least 1:32. For example, for 10 vCPUs, the disk size is at least 320 GB.
You can view the availability of configurations in the availability matrix Managed Kubernetes and GPU for Cloud Servers and Managed Kubernetes.
To see the availability of fixed cloud server configurations, see the availability matrix Cloud servers.
Node configurations on a dedicated server
In Managed Kubernetes clusters, you can create nodes on dedicated servers of off-the-shelf configurations that meet the requirements:
- there's a local port;
- x86 processor;
- 1 Gbps network card;
- without a GPU.
To view detailed information on configurations, see configurator.
Dedicated servers are assembled and rack-mounted in advance, ready to go within one hour of creation cluster or groups of nodes (not including OS installation time).