Quickly Buying a ClickHouse Cluster

Quickly Buying a ClickHouse Cluster

1. Log in to the MRS management console.
2. Click Create Cluster. The page for creating a cluster is displayed.
3. On the displayed page, click the Quick Config tab.
4. Configure basic cluster information. For details about the parameters, see Buying a Custom Cluster.
   • Region: Use the default value.
   • Billing Mode: Pay-per-use.
   • Cluster Name: You can use the default name. However, you are advised to include a project name abbreviation or date for consolidated memory and easy distinguishing, Example: mrs_20201121.
   • Cluster Type: Use the default value.
   • Cluster Version: Select the latest version, which is the default value. (The components provided by a cluster vary according to the cluster version. Select a cluster version based on site requirements.)
   • Component: Select ClickHouse cluster.
   • AZ: Use the default value.
   • Enterprise Project: Retain the default value.
   • VPC: Use the default value. If there is no available VPC, click View VPC to access the VPC console and create a new VPC.
   • Subnet: Use the default value.
   • CPU Architecture: Retain the default value.
   • Cluster Nodes: Select the number of cluster nodes and node specifications based on site requirements. For MRS 3.x or later, the memory of the master node must be greater than 64 GB.
   • Kerberos Authentication: Whether to enable Kerberos authentication. This option cannot be changed after you Buy a cluster.
   • Username: The default value is root/admin. User root is used to remotely log in to ECSs and user admin is used to access FusionInsight Manager.
   • Password: Set a password for user root/admin.
   • Confirm Password: Enter the password of user root/admin again.

5. Select the checkbox to enable secure communications. For details, see Communication Security Authorization.
6. Click Create Now.

   If Kerberos authentication is enabled, check whether this function is required. If it is, click Continue. If not, click Back to disable it and then proceed with the subsequent step. This option cannot be changed after you Buy a cluster.

7. Click Back to Cluster List to view the cluster status. Click Access Cluster to view cluster details.

   For details about cluster status during creation, see the description of the status parameters in Table 1.

   It takes some time to create a cluster. The initial status of the cluster is Starting. After the cluster has been created successfully, the cluster status becomes Running.

   On the MRS management console, a maximum of 10 clusters can be concurrently created, and a maximum of 100 clusters can be managed.