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Chapter 1. Introduction
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## Chapter 1. Introduction

There are several important aspects to maintaining a highly available NoSQL Database that can service requests with predictable latency and throughput. This book outlines these aspects and describes how to maintain NoSQL Database to achieve these goals by focusing on the following topics:

- How to monitor the hardware and software in a NoSQL Database cluster.

- How to detect hardware and software failures.

- How to diagnose a hardware or software failure.

- How to restore a component, or set of components, once a failure has been detected and resolved.

The following chapters focus on the management and monitoring aspects of the Oracle NoSQL Database. The purpose here is to monitor, detect, diagnose, and resolve run-time issues that may occur with the NoSQL Database and the underlying hardware.

Though the guide briefly touches on guidelines and best practices for the application layer's role in monitoring and diagnosis, it does not provide any specific guidance as this will be dictated by the application and its requirements as set forth by the business.

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