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Learning Couchbase
Learning Couchbase

Learning Couchbase: Design documents and implement real world e-commerce applications with Couchbase

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Profile Icon Henry Potsangbam
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$48.99
Paperback Nov 2015 248 pages 1st Edition
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Arrow left icon
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Paperback Nov 2015 248 pages 1st Edition
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Paperback
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Learning Couchbase

Chapter 2. The Couchbase Administration Interface

This chapter will provide an overview of various administration interfaces provided by Couchbase. We will explore the web admin user interface in detail and get an overview of the REST API and CLI. You will be using the web UI extensively to manage the Couchbase cluster with ease. It's one of the easiest and most powerful tools provided by Couchbase for managing its clusters.

In any enterprise software, we require some mechanism to interact with, configure, and monitor. Couchbase provides three main tools for administrating its clusters. They are as follows:

  • Web admin UI
  • Administration using the REST API
  • Command line interface

Let's explore each of these options one by one. Before we start exploring each of these tools, we will cover some concepts that you are required to understand to perform various administrative tasks in the cluster.

The need for the Couchbase administrative interface

Couchbase has been designed to make the life of an administrator easy. As seen in the previous chapter, it can be installed with a few clicks, and most of the administrative tasks that are required for running and configuring clusters are managed by the Couchbase server itself. In fact, Couchbase provides very minimal configuration options to bring the cluster up and running, and the majority of these configurations can be performed through a very user-friendly user interface. In most cases, the administrator does not have to make any changes in configuration, unless required.

However, in any system, some operational tasks and maintenance are required to be performed for smooth operation and to keep the system healthy. For instance, when the load on the cluster increases, we can expand it by adding nodes to increase the memory and improve the disk I/O performance. Couchbase provides a mechanism to expand the cluster size when the application...

The web admin UI

Now, let's understand and explore the main administrative web user interface provided for managing Couchbase clusters. It provides a complete interface for configuring, managing, and monitoring Couchbase clusters.

Some of the main functionalities it provides are as follows:

  • The administrator can view the overall health of the Couchbase cluster
  • The administrator can create data buckets, perform configuration, and modify various properties related to buckets
  • The administrator can view active nodes, their configuration, and perform overall operations in the cluster

The web UI provides various tabs that can be used to view cluster information, details of the server nodes, information about data buckets, view configuration, the configuration options for XDCR (for data replication), logging and setting of the cluster name, and so on.

The web admin UI

The web admin UI - the settings tab

The Cluster Overview section provides an overview of the Couchbase cluster status. It's the home page of...

Buckets and servers

You already have an idea about buckets from the first chapter. You can view its features from the web console as shown in the following screenshot:

Buckets and servers

Bucket overiew

The Buckets section allows administrators to observe read/write operations per second and disk I/O of the top active buckets. The administrator can determine the operation load on buckets from this section.

The Servers section provides some hints on how many nodes there are in the cluster, how many servers have a failed status, and whether there are any servers that require rebalancing after joining the cluster.

The Data Buckets view provides two graphs showing the operations per second and disk fetches per second.

Server nodes

When you click on the Server Nodes tab, you will be shown the system resources usage by all nodes that are part of the cluster. You can expand an individual node and view its details.

Server nodes

System resources by node

You will find a warning that displays on the screen stating that the cluster requires...

Views

Administrators can create and manage the Views function for indexing and querying data using the Views tab. You can preview the results from views using this tab. More details about views will be discussed in Chapter 6, Retrieving Documents without Keys Using Views.

XDCR

The XDCR section is used to create and configure cross data center replication, which will be explained in detail in Chapter 9, Data Replication and Compaction.

The need for the Couchbase administrative interface


Couchbase has been designed to make the life of an administrator easy. As seen in the previous chapter, it can be installed with a few clicks, and most of the administrative tasks that are required for running and configuring clusters are managed by the Couchbase server itself. In fact, Couchbase provides very minimal configuration options to bring the cluster up and running, and the majority of these configurations can be performed through a very user-friendly user interface. In most cases, the administrator does not have to make any changes in configuration, unless required.

However, in any system, some operational tasks and maintenance are required to be performed for smooth operation and to keep the system healthy. For instance, when the load on the cluster increases, we can expand it by adding nodes to increase the memory and improve the disk I/O performance. Couchbase provides a mechanism to expand the cluster size when the application...

The web admin UI


Now, let's understand and explore the main administrative web user interface provided for managing Couchbase clusters. It provides a complete interface for configuring, managing, and monitoring Couchbase clusters.

Some of the main functionalities it provides are as follows:

  • The administrator can view the overall health of the Couchbase cluster

  • The administrator can create data buckets, perform configuration, and modify various properties related to buckets

  • The administrator can view active nodes, their configuration, and perform overall operations in the cluster

The web UI provides various tabs that can be used to view cluster information, details of the server nodes, information about data buckets, view configuration, the configuration options for XDCR (for data replication), logging and setting of the cluster name, and so on.

The web admin UI - the settings tab

The Cluster Overview section provides an overview of the Couchbase cluster status. It's the home page of the web console...

Buckets and servers


You already have an idea about buckets from the first chapter. You can view its features from the web console as shown in the following screenshot:

Bucket overiew

The Buckets section allows administrators to observe read/write operations per second and disk I/O of the top active buckets. The administrator can determine the operation load on buckets from this section.

The Servers section provides some hints on how many nodes there are in the cluster, how many servers have a failed status, and whether there are any servers that require rebalancing after joining the cluster.

The Data Buckets view provides two graphs showing the operations per second and disk fetches per second.

Server nodes

When you click on the Server Nodes tab, you will be shown the system resources usage by all nodes that are part of the cluster. You can expand an individual node and view its details.

System resources by node

You will find a warning that displays on the screen stating that the cluster requires...

Views


Administrators can create and manage the Views function for indexing and querying data using the Views tab. You can preview the results from views using this tab. More details about views will be discussed in Chapter 6, Retrieving Documents without Keys Using Views.

XDCR


The XDCR section is used to create and configure cross data center replication, which will be explained in detail in Chapter 9, Data Replication and Compaction.

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Key benefits

  • Get acquainted with Couchbase architecture and design your document-based data schema
  • Implement full text search using industry standard elastic search plugins
  • Develop critical and high performance applications using this hands-on tutorial guide

Description

This book achieves its goal by taking up an end-to-end development structure, right from understanding NOSQL document design to implementing full fledged eCommerce application design using Couchbase as a backend. Starting with the architecture of Couchbase to get you up and running, this book quickly takes you through designing a NoSQL document and implementing highly scalable applications using Java API. You will then be introduced to document design and get to know the various ways to administer Couchbase. Followed by this, learn to store documents using bucket. Moving on, you will then learn to store, retrieve and delete documents using smart client base on Java API. You will then retrieve documents using SQL like syntax call N1QL. Next, you will learn how to write map reduce base views. Finally, you will configure XDCR for disaster recovery and implement an eCommerce application using Couchbase.

Who is this book for?

If you are new to the NoSQL document system or have little or no experience in NoSQL development and administration and are planning to deploy Couchbase for your next project, then this book is for you. It would be helpful to have a bit of familiarity with Java.

What you will learn

  • Get acquainted with the concept of NoSQL databases and configure your Couchbase database cluster
  • Maintain Couchbase effectively using the web-based administrative console with ease
  • Enable partition capabilities by making use of Buckets
  • Analyze important design considerations for maintaining relationship between various documents
  • Use Couchbase SDK Java API to store and retrieve document
  • Write views using map/reduce to retrieve documents efficiently
  • Get familiar with N1QL and how to use it in Java applications
  • Integrate Couchbase with Elasticsearch to implement full text search
  • Configure XDCR for disaster recovery and develop ecommerce application using Couchbase
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Publication date : Nov 23, 2015
Length: 248 pages
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Language : English
ISBN-13 : 9781785288593
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Table of Contents

12 Chapters
1. Introduction to Couchbase Chevron down icon Chevron up icon
2. The Couchbase Administration Interface Chevron down icon Chevron up icon
3. Storing Documents in Couchbase Using Buckets Chevron down icon Chevron up icon
4. Designing a Document for Couchbase Chevron down icon Chevron up icon
5. Introducing Client SDK Chevron down icon Chevron up icon
6. Retrieving Documents without Keys Using Views Chevron down icon Chevron up icon
7. Understanding SQL-Like Queries – N1QL Chevron down icon Chevron up icon
8. Full Text Search Using ElasticSearch Chevron down icon Chevron up icon
9. Data Replication and Compaction Chevron down icon Chevron up icon
10. Administration, Tuning, and Monitoring Chevron down icon Chevron up icon
11. Case Study – An E-Commerce Application Chevron down icon Chevron up icon
Index Chevron down icon Chevron up icon
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