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Hook

Their other posts in the index, biggest breakout first.
POV: your interviewer has no clue. So walk me through how you'd implement pagination for an endpoint returning millions of records. Hmm, let me think about that. So to build a search feature that returns results in under 100 milliseconds, I'd use efficient indexing on the database or search engine, like Elasticsearch, Solr to speed up query performance. And I would cache frequent queries or results using in-memory stores like Redis or Memcached.