Book Image

Practical MongoDB Aggregations

By : Paul Done
Book Image

Practical MongoDB Aggregations

By: Paul Done

Overview of this book

Officially endorsed by MongoDB, Inc., Practical MongoDB Aggregations helps you unlock the full potential of the MongoDB aggregation framework, including the latest features of MongoDB 7.0. This book provides practical, easy-to-digest principles and approaches for increasing your effectiveness in developing aggregation pipelines, supported by examples for building pipelines to solve complex data manipulation and analytical tasks. This book is customized for developers, architects, data analysts, data engineers, and data scientists with some familiarity with the aggregation framework. It begins by explaining the framework's architecture and then shows you how to build pipelines optimized for productivity and scale. Given the critical role arrays play in MongoDB's document model, the book delves into best practices for optimally manipulating arrays. The latter part of the book equips you with examples to solve common data processing challenges so you can apply the lessons you've learned to practical situations. By the end of this MongoDB book, you’ll have learned how to utilize the MongoDB aggregation framework to streamline your data analysis and manipulation processes effectively.
Table of Contents (20 chapters)
2
Part 1: Guiding Tips and Principles
7
Part 2: Aggregations by Example
16
Afterword

Optimizing Pipelines for Sharded Clusters

In this chapter, you will learn about the potential impacts on performance when your aggregation pipelines run in a sharded cluster. You will discover how the aggregation runtime distributes aggregation stages across the cluster and where potential bottlenecks can occur. Finally, you will learn the recommended steps to ensure your pipeline's performance scales efficiently in a sharded cluster.

This chapter will cover the following:

  • What sharded clusters are
  • Sharded aggregation constraints
  • The sharded distribution of pipeline stages
  • Performance tips for achieving efficient sharded aggregations

Let's start with a summary of the concept of sharding in MongoDB.