Updating subclusters

You can perform the following actions for any subcluster:

Changing the number of hosts

You can change the number of hosts in DATANODE and COMPUTENODE clusters:

In management console, select the folder with the cluster whose subcluster you want to change.
Select Data Proc and the desired cluster.
Go to Subclusters.
Click for the appropriate subcluster and select Edit.
Enter or select the required number of hosts in the Hosts field.
Click Save changes.

Data Proc runs the add host operation.

You can change the computing power of hosts in a separate subcluster:

Management console

To change the host class for a subcluster:

In management console, select the folder with the cluster whose subcluster you want to change.
Select Data Proc and the desired cluster.
Go to Subclusters.
Click for the appropriate subcluster and select Edit.
Select the required platform and configuration under Host class.
Click Save changes.

Data Proc runs the update subcluster operation. Note that all the hosts in the updated subcluster will be restarted.

You can increase the amount of storage available to each host in a particular subcluster.

Note

Currently, you cannot reduce storage size. If necessary, re-create the Data Proc subcluster.

Management console

To change the storage size for a subcluster:

In management console, select the folder with the cluster whose subcluster you want to change.
Select Data Proc and the desired cluster.
Go to Subclusters.
Click for the appropriate subcluster and select Edit.
Enter or select the required amount of storage under Storage size.
Click Save changes.

Data Proc runs the update subcluster operation.