Date migration is required when you would like to move or copy the data stored in one Redis instance to another for some reason. In this recipe, we will show you several methods that can be used to perform data migration of Redis.
You need to finish the installation of Redis Server as we described in the Downloading and installing Redis recipe in Chapter 1, Getting Started with Redis.
You also need to finish the Setting up Redis Cluster recipe in Chapter 7, Setting Up High Availability and Cluster, to learn the basic knowledge of Redis Cluster.
The first way to perform a single Redis instance to another single Redis instance migration works as follows:
- First, let's start two Redis instances:
$ bin/redis-server conf/redis.conf $ bin/redis-server conf/redis2.conf $ ps -ef |grep redis-server redis 361 32707 0 14:14 pts/5 00:00:00 grep redis-server redis 21413 1 0 Dec10 ? 00:03:10 bin/redis-server 0.0.0.0:6379 redis 32762 1 0 14:13 ? 00:00:00 bin/redis...