Alibaba Cloud periodically upgrades ApsaraDB for ClickHouse clusters to ensure stability. Set the maintenance window to off-peak hours to minimize impact on your workloads.
Modify the maintenance window of a cluster
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Log on to the ApsaraDB for ClickHouse console.
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In the top-left corner of the page, select the region of your target cluster.
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On the Clusters page, click the Instance list tab, and then click the target cluster ID.
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On the Cluster Information page, in the Configuration Information section, click the
icon next to Maintenance Window.NoteTo modify maintenance windows for multiple clusters, on the Default Instances tab, select the checkboxes to the left of the target clusters and click Modify Maintenance Time Period in the top-right corner.
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Select a maintenance window during off-peak hours and click OK.