Does Cluster update cause downtime?

Hello guys!

Right now we have one cluster running 2 environments and one of the environments is running out of juice (like ram is always on warning mode) and currently I’m trying to re-deploy but it is failing to do so saying that there’s not enough resources, so I’m upgrading the cluster instance to a bigger one but in order for it to work I need to update the cluster, will there be any downtime for our apps?

Reference image for the error:

Hi @ditorojuan, your cluster is a rolling upgrade so you will have no downtime during the upgrade.

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