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I want to configure elasticsearch as cluster with two nodes.
node.name: "cn1" #(on the second server "cn2")
Both servers can reach each other via telnet on port 9200 as well as 9300.
I restarted the service after the change of configuration.
Regardless, the query: curl -XGET 'http://localhost:9200/_cluster/stats?human&pretty' delivers just information to one node: