Book Image

MongoDB Administrator???s Guide

By : Cyrus Dasadia
Book Image

MongoDB Administrator???s Guide

By: Cyrus Dasadia

Overview of this book

MongoDB is a high-performance and feature-rich NoSQL database that forms the backbone of the systems that power many different organizations. Packed with many features that have become essential for many different types of software professional and incredibly easy to use, this cookbook contains more than 100 recipes to address the everyday challenges of working with MongoDB. Starting with database configuration, you will understand the indexing aspects of MongoDB. The book also includes practical recipes on how you can optimize your database query performance, perform diagnostics, and query debugging. You will also learn how to implement the core administration tasks required for high-availability and scalability, achieved through replica sets and sharding, respectively. You will also implement server security concepts such as authentication, user management, role-based access models, and TLS configuration. You will also learn how to back up and recover your database efficiently and monitor server performance. By the end of this book, you will have all the information you need—along with tips, tricks, and best practices—to implement a high-performance MongoDB solution.
Table of Contents (17 chapters)
Title Page
Credits
About the Author
About the Reviewers
www.PacktPub.com
Customer Feedback
Preface

Measuring disk I/O performance with mongoperf


By now, you should have a fair idea of the importance of disk I/O and how it directly impacts your database performance. MongoDB provides a nifty little utility called mongoperf that allows us to quickly measure disk I/O performance.

Getting ready

For this recipe, we only need the mongoperf utility, which is available in the bin directory of your MongoDB installation.

How to do it...

  1. Measure the read throughput with mmf disabled:
root@ubuntu:~# echo "{ recSizeKB: 8, nThreads: 12, fileSizeMB: 10000, r: true, mmf: false }" | mongoperf

You will get the following result:

mongoperf use -h for help
parsed options:
{ recSizeKB: 8, nThreads: 12, fileSizeMB: 10000, r: true, mmf: false }
creating test file size:10000MB ...
1GB...
2GB...
3GB...
4GB...
5GB...
6GB...
7GB...
8GB...
9GB...
testing...
options:{ recSizeKB: 8, nThreads: 12, fileSizeMB: 10000, r: true, mmf: false }
wthr 12
new thread, total running : 1
read:1 write:0
19789 ops/sec 77 MB/sec
19602 ops...