Maybe you can give me advise how to migrate from one node to cluster.
Now, the one node is running and it have many index.
or I can join the existing node to new cluster.
Maybe you can give me advise how to create cluster when I have 3 server.
For now, I think to create 1 master node and 2 data node which every node have same specification, 8 Core and 32 RAM. But for storage capacity is different maybe master 50 Gb and Data 1 Tb.
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