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mongodb-lectures/10.MONITOR.md

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Mongo - Monitoring

Lesson Objectives

  1. Explain explain
  2. Explain stats
  3. Explain profile

Explain Explain

  1. db.employees.find().explain()

Explain stats

  1. db.stats()
  2. db.collectionName.stats()

Explain profile

  1. db.setProfilingLevel(2);
  2. db.employees.find();
  3. db.system.profile.find()