LIKE cannot use an index and everyone knows it. The mapping, the analyzers that decide what matching means, the indexing pipeline, and the drift it introduces.
Reindexing into a new index leaves two: the old one still serving and the new one ready. Pointing the application at the new one by editing configuration means…
Facets answered exactly one question — how many documents per term, per range, per date interval — and could not be nested, so a sidebar showing brands within…