Solr 7.2 – rebalancing replicas using UTILIZENODE

With the release of Solr 7.2 we got a new option in the Collections API – the ability to utilize a new or existing node of our cluster based on the autoscaling properties. It basically looks at the replicas placement and using the autoscaling rules for the cluster and collection allows us to automatically move replicas to a given node. Sounds nice in theory, so let’s look how it actually works.

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