Redis is an open source log-type Key-Value database written in ANSI C language, supports network, can be memory-based and persistent, and provides APIs in multiple languages. The default port number of redis is 6379.
Why does Redis choose 6379 as the default port number?
6379 is the number corresponding to MERZ on the phone button, and MERZ is taken from the name of Italian singer Alessia Merz.
Alessia Merz is an Italian dancer and actress. Antirez, the author of Redis, watched TV shows in his early years and felt that some of Merz's words in the show were stupid and ridiculous. Antirez liked to make "memes" for daily communication with friends, so he coined the word "MERZ" to describe stupidity, which has the same meaning as "stupid" same.
Later Antirez redefined "MERZ", describing it as "having a high technical value, including skill, patience and labor, but still maintaining a simple essence."
When it came time to choose a number as the default port number for Redis, Antirez didn't think much and used the number 6379 corresponding to "MERZ" on the mobile phone keyboard.
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