PolarDB:Scheduled tasks

Notes

• You can view details for the following types of scheduled tasks:

  • Cluster upgrade. For instructions, see Procedure.

  • Add a read-only node. For instructions, see Add a node.

  • Version upgrade. For instructions, see Minor version management.

  • Change the primary zone. For instructions, see High-availability mode.

• You can only cancel tasks with a Status of Pending. You cannot cancel scheduled tasks for downgrade operations, such as deleting a node or performing an automatic or manual downgrade.

View scheduled tasks

1. Log in to the PolarDB console。

2. In the navigation pane on the left, click Clusters。

3. In the upper-left corner, select the region where the cluster is deployed.

4. In the left navigation pane, click Scheduled Tasks.

5. The Scheduled Tasks page shows the details of all scheduled tasks in the region, including Task ID, Status, Task Action, Start Time, End Time, and Execution Time.

   Note

   • The Task Action column indicates the corresponding API operation. The following Task Action are supported:

     • ModifyDBClusterPrimaryZone (change the primary zone)

     • ModifyDBNodeClass (cluster upgrade)

     • CreateDBNodes (add a node)

     • UpgradeDBClusterVersion (version upgrade)

   • The Order ID appears only when the Task Action is ModifyDBNodeClass or CreateDBNodes.

Cancel a scheduled task

1. Log in to the PolarDB console。

2. In the navigation pane on the left, click Clusters。

3. In the upper-left corner, select the region where the cluster is deployed.

4. In the left navigation pane, click Scheduled Tasks.

5. On the Scheduled Tasks page, find the task that you want to cancel. In the Actions column, click Cancel.

   Note

   You can only cancel tasks with a Status of Pending. You cannot cancel scheduled tasks for downgrade operations, such as deleting a node or performing an automatic or manual downgrade.

6. In the confirmation dialog box, click OK.

Related APIs