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At one point, their search used LucidWorks Fusion [1], a commercial product based around Solr (that uses Lucene indexes under the hood) but also integrates a ve

At one point, their search used LucidWorks Fusion [1], a commercial product based around Solr (that uses Lucene indexes under the hood) but also integrates a vector database and the like for semantic search. The linked wiki page still has Lucene-style queries. [1]: https://lucidworks.com/customers/reddit/ https://lucidworks.com/customers/reddit/

tmikaeld 4y ago
That's kind of my point, Solr and Lucene put the index in memory.
- liveoneggs 4y ago
  not the entire index, only what is needed for each query.
- omegalulw 4y ago
  Can't the index be shared across a cluster? Possibly with multiple replicas for a share to allow for servers to easily go up and down?
  - tmikaeld 4y ago
    It can, but that would be slow and cost would be prohibitive.
    - kevincox 4y ago
      Really? It's just a bit of text. RAM is fairly cheap these days.