{"id":43930,"date":"2015-09-21T14:18:43","date_gmt":"2015-09-21T11:18:43","guid":{"rendered":"http:\/\/www.javacodegeeks.com\/?p=43930"},"modified":"2023-12-06T14:50:39","modified_gmt":"2023-12-06T12:50:39","slug":"redis-installation","status":"publish","type":"post","link":"https:\/\/www.javacodegeeks.com\/2015\/09\/redis-installation.html","title":{"rendered":"Redis Installation"},"content":{"rendered":"

This article is part of our Academy Course titled Redis a NoSQL key-value store<\/a>.<\/em><\/p>\n

This is a crash course on Redis. You will learn how to install Redis and start up the server. Additionally, you will mess around with the Redis command line. More advanced topics follow, such as replication, sharding and clustering, while the integration of Redis with Spring Data is also explained. Check it out here<\/a>!<\/em><\/p>\n

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Table Of Contents<\/h4>\n
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1. Introduction<\/a><\/dt>\n
2. License<\/a><\/dt>\n
3. Documentation<\/a><\/dt>\n
4. Installing Redis on Linux<\/a><\/dt>\n
5. Installing Redis on Windows<\/a><\/dt>\n
6. Validating the Installation<\/a><\/dt>\n
7. Basic Configuration<\/a><\/dt>\n
8. Starting\/Stopping the Server<\/a><\/dt>\n
9. First look at Redis CLI<\/a><\/dt>\n
10. What\u2019s Next<\/a><\/dt>\n<\/dl>\n<\/div>\n

<\/a>1. Introduction<\/h2>\n

Redis is probably the most widely known and arguably the best example among a huge pile of NoSQL solutions which came out from the community in recent years. Although thinking about Redis as a key\/value store is a valid assumption, Redis does much more, giving away to the hands of the developers the power of complex data structures. To quote http:\/\/redis.io<\/a>:<\/p>\n

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\u201cRedis is an open source, BSD licensed, advanceds key-value store. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets and sorted sets.\u201d<\/em><\/p>\n<\/blockquote>\n

Not to mention out-of-the box publish \/ subscribe support, clustering (experimental), sharding, replication and transactional semantics. The purpose of this tutorial is to provide brief yet comprehensive guide to the world of Redis by walking though its installation, configuration and features.<\/p>\n

The good way to think about Redis is as in-memory data store. If your data fits in memory, you will get the maximum from it and that is why Redis quite often is being used as advanced caching solution (instead of Memcached). But once your data stops to fit in memory, you will see a significant performance degradation caused by swapping to disk. Later in tutorial we will get back to this topic and see what other options we have.<\/p>\n

The latest version of Redis at the moment of this writing is 2.8.4<\/code> and that is the one we will use across whole tutorial.<\/p>\n

<\/a>2. License<\/h2>\n

Redis is open source software released under the terms of the three clause BSD license. More details on official Redis site<\/a>.<\/p>\n

<\/a>3. Documentation<\/h2>\n

Redis team maintains the complete, very well organized and up-to-date documentation for every single feature or command you may need to know. It is a great reference for everyone, at any time, so do not hesitate to look at it if you have any questions or something is not quite clear. General documentation is available at http:\/\/redis.io\/documentation<\/a> while commands have own section at http:\/\/redis.io\/commands<\/a> (we will refer quite often to it once we start to play with Redis).<\/p>\n

<\/a>4. Installing Redis on Linux<\/h2>\n

The best (and at the moment the only) way to Install Redis on your Linux box is to build it from source. To do so, the sources of the Redis could be downloaded from http:\/\/redis.io\/download<\/a> (please be sure to pick the stable release branch). Once the archive is on your machine, a couple of simple and easy steps separate you from having your own Redis instance ready to use:<\/p>\n

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  1. Download\n
    wget http:\/\/download.redis.io\/releases\/redis-2.8.4.tar.gz\n<\/pre>\n<\/li>\n
  2. Unpack the archive\n
    tar xfz redis-2.8.4.tar.gz\ncd redis-2.8.4\n<\/pre>\n<\/li>\n
  3. Make the binaries\n
    make\n<\/pre>\n
    or (in case you have Linux 32bit installed)<\/p>\n
    make 32bit\n<\/pre>\n<\/li>\n
  4. Run tests (you need Tcl 8.5+<\/code> to be installed to run the tests)\n
    make test\n<\/pre>\n<\/li>\n
  5. Install (as root<\/code> user or with sudo<\/code> command)\n
    make install\n<\/pre>\n<\/li>\n<\/ol>\n
    Worth to mention, Redis does not have any special requirement or dependencies, either runtime or compile time, and is compatible with most Linux distributions. The only preinstalled packages you need are gcc and make.<\/p>\n
    By default, the aliases for Redis binaries will be created in \/usr\/local\/bin<\/code> folder. For more insights, the README<\/code> file is a great place to look in for advanced details (like changing default installation folder, common build errors troubleshooting, etc).<\/p>\n
    <\/a>5. Installing Redis on Windows<\/h2>\n
    Redis team does not support official Windows distributions. Luckily, there is an experimental Windows 32\/64 port supported by Microsoft Open Tech group and freely available on GitHub: https:\/\/github.com\/MSOpenTech\/redis<\/a>. One important thing to take into account is that Windows port is always behind latest Redis releases and as such is not as a feature-rich as you may need. At the moment of writing, the latest version of Redis available for Windows was 2.6.12<\/code>.
     
    <\/div> <\/div><\/p>\n
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    1. Clone the repository (or download it as a ZIP<\/code> archive from https:\/\/github.com\/MSOpenTech\/redis<\/a> if you do not have Git<\/code> installed)\n
      git clone https:\/\/github.com\/MSOpenTech\/redis\n<\/pre>\n<\/li>\n
    2. For your convenience, there are pre-built binaries available in repository already. Just unpack them into convenient location.\n