when a non-data node receives a search request, how does it go about choosing the nodes that have replicas of a shard? e.g if number of replicas is 1 and there are 2 data nodes then both nodes have complete index data and shards. if there is a non-data node fronting these 2 nodes and it gets a s…

How does non-data node choose a node for query/fetch?

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How does non-data node choose a node for query/fetch?