Elasticsearch vs. PostgreSQL Full-Text: Search Engine Indexing Deep Dive Every search engine needs an index. The question is: which technology builds it? PostgreSQL Full-Text Search Built-in since PostgreSQL 8.3. Surprisingly capable. Pros: Zero additional infrastructure ACID compliance (index stays consistent with data) Good for < 1M documents Supports German stemming, compound word handling tsvector/tsquery is fast for simple needs Cons: No distributed search Limited faceting and aggregation Relevance scoring is basic No built-in synonym support Elasticsearch The industry standard for search.…