Help Center> CloudTable Service> User Guide> ClickHouse User Guide> ClickHouse Cluster Management> Managing ClickHouse Clusters> Scaling Out a ClickHouse Cluster
Updated on 2024-04-29 GMT+08:00
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Scaling Out a ClickHouse Cluster

Add compute nodes in a ClickHouse cluster. The scale-out does not affect system running.

  • Scale-out cannot be performed if your account balance is insufficient.
  • Scale-out cannot be performed if your quota is insufficient.
  • ZooKeeper nodes can be added for scale-out.

Procedure

  1. Log in to the CloudTable console.
  2. Click Cluster Management.
  3. In the cluster list, locate the row that contains the target cluster and click Scale Out in the Operation column.

    You can also click Scale Out on the cluster details page to go to the Scale Out page.

  4. Click + to add nodes.
  5. Confirm the fee and resource quota, and click OK.

ClickHouse Scale-Out Statuses

Table 1 Scale-out statuses

Task Status

Description

Scaling out

Indicates that a cluster is being scaled out.

Scale-out failed

Indicates that the cluster fails to be scaled out.

Viewing Scaling Details

  • After you click OK, the cluster task status changes to Scaling out. After the cluster scale-out is complete, the cluster status changes to In service.
  • After you click OK, the cluster task status changes to Scaling out. If the scale-out fails, the cluster status is In service and the task status is Scale-out failed.