MongoDB Tutorial 0/120 lessons ~6 min read Lesson 71
Slow Query Analysis
Slow query analysis finds the worst offenders and fixes them with indexes or query rewrites.
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Focus
2 guided sections
Practice signal
Concept-first lesson
Career prep
Foundation builder
Introduction
Slow query analysis finds the worst offenders and fixes them with indexes or query rewrites. The MongoDB profiler captures slow ops; Atlas Performance Advisor highlights index opportunities.
Syntax reference
js
db.setProfilingLevel(1, { slowms: 100 });db.system.profile.find().sort({ ts: -1 }).limit(5);
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