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Diagnostics and Debugging


Learn how to diagnose and debug issues that can arise in your MongoDB deployment.

Estimated Total Effort

6 Hours

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What You'll Learn

This course will go over a set of scenarios you might find in production, and introduce you to many of the tools and functionality that MongoDB's support and field teams use to diagnose issues, and how to fix those problems once they're identified.

You'll build a good understanding about the tools you can use to diagnose the most common issues that arise in production deployments, and how to fix those problems when they arise.


One of: M001 or M103 or 3-6 months experience developing MongoDB applications or administering MongoDB.

Course Details


6 Hours

Duration: 6 Chapters

Each chapter requires approximately 59 minutes to complete

Up to 60 days to complete from day of registration

Video Lectures

4 Hours

Exam Questions

1 Hour

Labs & Quizzes

1.5 Hours

What is the cost of an online course?

MongoDB University courses are free.

What do I need to take a course?

You will need access to a computer with: Operating System: Mac OS X 10.7+ 64-bit, Ubuntu 14.04+ 64-bit, or Windows 8+ (64-bit) Web Browser: Firefox 39.0+ or Chrome 43+ (Internet Explorer is currently not supported)

Do I need to be available during a certain hour of the day to watch course videos?

No. The course is self-paced and will be broken down into short pre-recorded video segments with periodic assessments to check on your progress.

What do I receive for taking this course?

You will receive a final grade but the grade won't be on your proof of completion. To receive a proof of completion, you will need to achieve 65% on graded material. There are three different types of assessments within the course: quizzes, labs, and a final exam. Quizzes don't count toward your grade but will help you check your understanding. The labs will comprise one half of your grade and the final exam/project one half of your grade. Unfortunately, due to a large number of students and in the interest of fairness, late assignments cannot be accepted.

Will I be able to get help?

Each course has an active online forum where students can help each other. In addition, the MongoDB engineers will monitor the forums and try to help.

Do I need to pay to use MongoDB Enterprise for this course?

Not at all! MongoDB suite of products are free for evaluation purposes and no need to worry about licenses.

Receiving a Proof of Completion

Your grade for the course will depend on your performance on labs and a final exam. You will receive a proof of completion if you achieve a grade of 65% or better.

Course Agenda

Chapter 1: Introduction

Chapter 2: Tooling Overview

Chapter 3: Slow Queries

Chapter 4: Connectivity

Chapter 5: Schema Issues

Final Exam


Web Browser: Firefox 60.0+ or Chrome 70+

Operating System: Mac OS X 10.7+ 64-bit, Ubuntu 14.04+ 64-bit, or Windows 8+ (64-bit)

MongoDB: 3.6.14+ Enterprise

Vagrant 1.7.4+

VirtualBox 5.0.20+

4+ GB of RAM (8 recommended)


William CrossYulia Genkina

William Cross

MongoDB Course Instructor

Will formerly was a Curriculum Engineer on the Education team at MongoDB. In addition to developing courses for MongoDB online and in-person training programs, Will also wrote and maintained the MongoDB Professional Certification exams. Will holds a Ph.D. in Physics from the University of California, Irvine.


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