Fighting comment spam at Facebook scale

<p><a href="https://rockset.com/">Rockset</a> is a real-time search and analytics database. Explore their docs and developer tools <a href="https://rockset.com/docs/">here</a>.</p><p>We here at Stack Overflow recently implemented our own vector search. Here’s a <a href="https://stackoverflow.blog/2023/07/31/ask-like-a-human-implementing-semantic-search-on-stack-overflow/">technical deep dive</a> into how we did it. </p><p>Louis is on <a href="https://www.linkedin.com/in/lbrandy/">LinkedIn</a>.</p><p>Three cheers for <a href="https://stackoverflow.com/help/badges/8842/lifeboat">Lifeboat badge</a> winner <a href="https://stackoverflow.com/users/1047788/user7610">user7610</a>, who rescued <a href="https://stackoverflow.com/questions/25304728/c-application-terminates-with-143-exit-code-what-does-it-mean">C++ application terminates with 143 exit code. What does it mean?</a> with a solid answer.</p>