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Learning Redis

By : Vinoo Das
Book Image

Learning Redis

By: Vinoo Das

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Learning Redis
Vinoo Das
Jun, 2015 | 318 pages
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Table of Contents (16 chapters)
Learning Redis
Learning Redis
Credits
Credits
About the Author
About the Author
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Introduction to NoSQL
Introduction to NoSQL
An Internet-enabled world
The NoSQL primer
Summary
2
Getting Started with Redis
Getting Started with Redis
Installing Redis on Windows
Installing Redis on Mac OS
Hello World in Redis
Summary
3
Data Structures and Communicating Protocol in Redis
Data Structures and Communicating Protocol in Redis
Data structures
Data types in Redis
Communication protocol – RESP
Summary
4
Functions in the Redis Server
Functions in the Redis Server
Real-time messaging (PUB/SUB)
Pipelines in Redis
Transactions in Redis
Scripting in Redis
Brief introduction on Lua
Connection management
Summary
5
Handling Data in Redis
Handling Data in Redis
Classifying data
Master-slave data replication
Persistence handling in Redis
Dataset handling commands in Redis
Summary
6
Redis in Web Applications
Redis in Web Applications
Simple e-commerce – a Redis backed e-commerce site
Session management
Catalogue management
Online analytics
Summary
7
Redis in Business Applications
Redis in Business Applications
Configuration management
Client node commands
Master node commands
Redis configuration – data management
Summary
8
Clustering
Clustering
Clusters
Cluster pattern – master-master
Cluster pattern – master-slave
Configuring Redis Sentinel
Summary
9
Maintaining Redis
Maintaining Redis
Maintaining ephemeral data
Maintaining nonephemeral data
Summary
Index
Index

Connection management

In this section we will be focusing on the way we can manage the connection to Redis. The functions provided under connection management in Redis help us to do the following:

  • AUTH: This command with the password allows the request to be processed if the password matches the configured password. Redis server can be configured with requirepass in the config file along with the password.

  • ECHO: This command echoes back the text sent to a Redis instance.

  • PING: This command replies with PONG when sent to a Redis instance.

  • QUIT: This command kills the connection held by the Redis instance for a client.

  • SELECT: This command helps in selecting a database in Redis for executing the command. Data in Redis can have separation of concern and this is achieved by creating a silo and storing the data in that. The data in each silo don't interfere and are isolated.

Redis authentication

Adding a simple password to your Redis server via Redis client and testing it via Java client is explained...

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