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Mastering MongoDB 3.x

You're reading from Mastering MongoDB 3.x An expert's guide to building fault-tolerant MongoDB applications

Product type Paperback

Published in Nov 2017

Publisher Packt

ISBN-13 9781783982608

Length 342 pages

Edition 1st Edition

Languages

Java

Tools

Hadoop

Concepts

Databases

Author (1):

Alex Giamas

View More author details

Table of Contents (13) Chapters

Preface

1. MongoDB – A Database for the Modern Web FREE CHAPTER

2. Schema Design and Data Modeling

3. MongoDB CRUD Operations

4. Advanced Querying

5. Aggregation

6. Indexing

7. Monitoring, Backup, and Security

8. Storage Engines

9. Harnessing Big Data with MongoDB

10. Replication

11. Sharding

12. Fault Tolerance and High Availability

Architectural overview

A sharded cluster is comprised of the following elements:

Two or more shards. Each shard must be a replica set.
One or more query routers (mongos). mongos provides an interface between our application and the database.
A replica set of config servers. Config servers store metadata and configuration settings for the entire cluster.

Reference: https://www.infoq.com/news/2010/08/MongoDB-1.6

We can't have a shard composed of a single server.

Development, continuous deployment, and staging environments

In preproduction environments it may be an overkill to use the full set of servers, and for efficiency reasons, we may opt to use a more simplified architecture.

The simplest possible configuration...

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Authors (1)

Alex Giamas

Alex Giamas

Alex Giamas is a freelance consultant and a hands-on Lead Technical and Data Architect. Over the past 15 years, he has expertise in designing and developing systems for the UK Government (HMRC, Cabinet Office, DIT) and private sector (Amazon ProServe, PwC, Fintech Fortune 500, Yahoo!, Verizon) clients. Alex is an alumnus of the MassChallenge London cohort as the co-founder and CTO of a digital health startup. Alex has authored Mastering MongoDB 3.x and 4.x, both by Packt Publishing. Alex has developed large-scale robust, distributed software systems in Python, JavaScript, Ruby, and Java. He is a MongoDB Certified Developer, a Cloudera Hadoop Certified Developer with Data Science Essentials, and a Carnegie Mellon and Stanford graduate.

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