Redis installation and use

Redis (Remote Dictionary Server) is an open source, memory based data structure storage system suitable for high-performance data access and caching scenarios. Below is a detailed introduction to Redis installation and usage. Step 1: Prepare the environment Before installing Redis, it is necessary to ensure that the following environmental requirements are met: 1. Installed a C compiler (such as GCC). 2. Installed Tcl library (version greater than 8.5). You can check whether the environmental requirements are met by using the following command: shell gcc -v tclsh Step 2: Download and compile Redis 1. Download the Redis source code and you can download the latest stable version from the Redis official website. 2. Unzip the source code compression package and enter the directory after decompression. 3. Execute the following command to compile: shell make After compilation, Redis can be run using the following command: shell src/redis-server Step 3: Create a data table and implement data operations The data storage in Redis is operated through key value pairs, and data can be inserted, modified, queried, and deleted using the commands provided by Redis. Here are some commonly used Redis command examples: 1. Data insertion: Use the 'SET' command to insert a key value pair into Redis, for example: shell SET mykey "Hello Redis" This inserts a data with the key 'mykey' and the value 'Hello Redis' into Redis. 2. Data modification: The 'SET' command can also modify the values of existing keys, such as: shell SET mykey "Hello Redis Modified" This will modify the value of the data with the key 'mykey' to 'Hello Redis Modified'. 3. Data Query: Using the 'GET' command, you can press the key to query the corresponding value, for example: shell GET mykey This way, the value corresponding to the key 'mykey' can be obtained. 4. Data deletion: Use the 'DEL' command to delete a specified key value pair, for example: shell DEL mykey In this way, you can delete the data whose key is' mykey '. The above are just some basic operation command examples provided by Redis, and there are more rich commands and functions available in practical applications. Through the above steps, you have completed the installation and basic usage introduction of Redis. You can continue to explore more advanced features of Redis, such as data persistence, cluster deployment, master-slave replication, etc.