The cost of a free feature

🫧 Open on Bubbles About twenty years ago, I was working on what would eventually become RavenDB, and I needed an engine to handle queries. Writing a query engine from scratch is its own very large project, quite separate from writing a database engine. I made a decision that I still consider one of the smartest I made in those early days: I built on top of Lucene as my indexing and query engine. That let me stand on a firm foundation while I dealt with the problems I actually cared about: building a NoSQL s