if i have 2 nodes standalone elasticsearch working with scenario:
node-1 : have elasticsearch and logstash and logstash send logs let's called it "index-1"
node-2 : have elasticsearch and logstash and logstash sends logs let's called it "index-2"
now i am required to cluster these two nodes with a third new node, so i need to know they will replicate old data to each other or not ? and there will be data loss if i clustered them ?
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