What is the default port for redis

What is the default port for redis? This problem may be often seen in our daily study or work. I hope you can gain a lot from this question. The following is the reference content that the editor brings to you, let's take a look at it!

The default port for redis is 6379.

Why did Redis choose 6379 as the default port number?

6379 is the number corresponding to MERZ on the phone button, while MERZ is taken from the name of Italian singer Alessia Merz.

MERZ has long been synonymous with stupidity by antirez and his friends.

Redis author antirez said on twitter that he will explain why he chose 6379 as the default port number in his next blog post.

Now this blog post explains Redis's LRU mechanism and explains why it uses 6379 as the default port.

Redis

Redis is an open source API that is written in ANSI C language, supports the network, can be memory-based and persistent, and provides API in multiple languages. Since March 15, 2010, the development of Redis has been presided over by VMware. Since May 2013, the development of Redis has been sponsored by Pivotal.

Define

Redis is a key-value storage system. Similar to Memcached, it supports relatively more value types, including string (string), list (linked list), set (collection), zset (sorted set-ordered collection), and hash (hash type). These data types support push/pop, add/remove, and take intersection union and difference sets, and richer operations, and these operations are atomic. On this basis, redis supports a variety of different sorting methods. Like memcached, data is cached in memory for efficiency. The difference is that redis will periodically write updated data to disk or modify operations to additional record files, and on this basis to achieve master-slave (master-slave) synchronization.

Redis is a high-performance key-value database. The emergence of redis makes up for the deficiency of key/value storage such as memcached to a great extent, and can play a good complementary role to relational database in partial situations. It provides clients such as Java,C/C++,C#,PHP,JavaScript,Perl,Object-C,Python,Ruby,Erlang, which is easy to use.

Redis supports master-slave synchronization. Data can be synchronized from the master server to any number of slave servers, which can be the master server associated with other slave servers. This makes it possible for Redis to perform single-layer tree replication. Save the disk can intentionally or unintentionally write to the data. Because the publish / subscribe mechanism is fully implemented, when the slave database synchronizes the tree anywhere, it can subscribe to a channel and receive the complete message release record of the master server. Synchronization is helpful for scalability and data redundancy of read operations.

The official website address of redis, very easy to remember, is redis.io. (specially checked, the domain suffix io belongs to the national domain name, which is british Indian Ocean territory, that is, the British Indian Ocean Territory.)

Currently, Vmware is funding the development and maintenance of redis projects.

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