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Khi nào nên dùng PostgreSQL Full-Text Search thay vì Elasticsearch? · ORA·tech

Nâng cao Pro#postgresql

Khi nào nên dùng PostgreSQL Full-Text Search thay vì Elasticsearch?

15 tháng 2, 2026

Tóm tắt nhanh

PostgreSQL Full-Text Search (FTS) đủ dùng cho hệ thống vừa và nhỏ khi tìm kiếm là tính năng phụ, giúp tối giản hạ tầng nhờ tận dụng GIN Index và `tsvector`. Nên chuyển sang Elasticsearch khi tìm kiếm là trải nghiệm cốt lõi đòi hỏi fuzzy search phức tạp, faceted search động, hoặc tần suất ghi (write) quá cao.

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