Yep, most of the audience facing search functionality across our sites (https://www.bbc.co.uk https://www.bbc.co.uk) is powered by various Solr clusters, hosted

Yep, most of the audience facing search functionality across our sites (https://www.bbc.co.uk https://www.bbc.co.uk) is powered by various Solr clusters, hosted on-prem and cloud.