Expanding the Disk Capacity of a Doris Cluster

The vertical capacity expansion is performed by expanding disk capacity. Data is usually stored on the BE nodes, and disk expansion is required when the disk capacity of the BE nodes is insufficient.

Note

During disk capacity expansion, cluster services may jitter.

Prerequisites

You can perform disk capacity expansion on a cluster when the cluster is in the In service state and no task is being performed (such as scale-out, parameter modification, and specification change). Note that:

The storage capacity of the instance to be expanded is measured in GB.
The maximum disk capacity of a FE node after expansion is 2,000 GB.
The maximum disk capacity of a BE node after expansion is 10,000 GB.
The disk capacity after expansion is a multiple of 100 GB.

Procedure

Log in to the CloudTable console.
Click Cluster Management to view the clusters.
In the cluster list, locate the row that contains the target cluster and click Disk Expansion in the Operation column. If you fail to find Disk Expansion, click More and choose Disk Expansion in the Operation column.
Note
You can also click Disk Expansion on the cluster details page to go to the page for expanding disk capacity.
Set Configured Node to Frontend Nodes or Backend Nodes as required.
Press + to increase nodes.
Confirm the fee and resource quota, and click OK.

Disk Expansion Status

Table 1 Disk expansion status description
Status	Description
Disk expanding	This status is shown in Task Status, indicating that a cluster is being scaled out.
In service (cluster status)	This status is shown in Cluster Status, indicating that the scale-out is complete and the cluster can provide services.
Disk capacity expansion failed (task status)	This status is shown in Task Status, indicating that the cluster fails to be scaled out.

Viewing Disk Expansion Information

After you click OK, the cluster task status changes to Disk expanding. After the expansion is complete, the cluster status changes to In service.

Parent topic: Adjusting the Capacity of a Doris Cluster

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Doris Node Scale-out

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Changing the Specifications of a Doris Cluster

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