To ensure the stability of your ApsaraDB for ClickHouse cluster, Alibaba Cloud performs periodic upgrades. We recommend setting the maintenance window during off-peak hours to minimize the potential impact on your business operations.
Limitations
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You can set a maintenance window only for Community Edition or Enterprise Edition clusters.
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You can batch modify maintenance windows only for Community Edition clusters.
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.