3 ms·

does this scale? Just recently I was using mongoid_search and it performed very slowly on just 5000 documents, autocomplete was not usable. I switched to solr a

• dblock 16y ago
  Scale depends on what you're trying to do. I definitely think that mongoid_fulltext will work for 100K documents if you're trying to do relatively simple autocomplete. But this technology is not meant to compete with solr or any other dedicated search engine.
  • ryanfitz 16y ago
    In my particular case, I noticed continual slow down every 1000 or so documents I kept creating when using mongoid_search. I was only doing a simple search, indexing on just a title field in my documents.
    • mathias_10gen 16y ago
      Based on my quick reading* of the mongoid_search code it looks like it is using a regex query against the keywords array which requires a full scan over the index. In fact the way it is being done is probably far less efficient than just doing a normal regex table scan without the keyword array. If you were to modify the search method to do a normal string query (maybe using $in for OR and $all for AND) you should get much better performance. *Ruby isn't my native language so I may be missing something.
      • dblock 16y ago
        Yes. But don't confuse with mongoid_fulltext. It doesn't do any regexes, it uses map/reduce where each n-gram is indexed separately.