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Library/Kiến trúc & Database/MongoDB
Advanced Pro#mongodb

Cách debug và tối ưu hóa query chậm trong MongoDB bằng explain và quy tắc ESR?

February 15, 2026

Quick summary

To optimize slow MongoDB queries, use `.explain("executionStats")` to analyze the execution plan, ensure the `totalDocsExamined / nReturned` ratio is close to 1, and design compound indexes following the ESR (Equality, Sort, Range) rule.

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