Database configuration change

We currently have a MySQL cluster and we need to upgrade it, will we suffer any downtime ? and how long will it take ? We have the 2 Core 4GB RAM cluster with a standby node.

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The standby nodes maintain a copy of the primary node. In the event of a failure or maintenance. The standby node is immediately promoted to primary and begins serving requests while a replacement standby node is provisioned in the background; so there won’t be any downtime.

For more information on high availability:

I hope this helps!

Regards, Rajkishore


As there is a standby node, I believe that there should be minimal to no downtime during the upgrade.