I'm not quite sure what he meant, but it is common to push data from a CMS to a search engine. Note that most "real" CMSs have a built-in search engine, so the

I'm not quite sure what he meant, but it is common to push data from a CMS to a search engine. Note that most "real" CMSs have a built-in search engine, so the data is pushed automatically. Most seem to use Lucene/SOLR or Elasticsearch. Why not put it in the search engine to start with? So the editors can edit the content. And the search engine is rarely the master of the data.