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This article mainly explains "what is the concept of redo log in mysql". The content of the explanation is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "what is the concept of redo log in mysql".

1. Redo log is the MySQLEngine layer, which is the log unique to InnoDB storage engine. Also known as the redo log.

2. Redo log is a physical log. It can be understood as a queue with a fixed space size that will be replicated in a loop.

Example

Root@test:/var/lib/mysql# pwd/var/lib/mysqlroot@test:/var/lib/mysql# ls-lstr ib_logfile*49152-rw-r- 1 mysql mysql 50331648 Dec 28 15:45 ib_logfile149152-rw-r- 1 mysql mysql 50331648 Jan 3 12:53 ib_logfile0root@test:/var/lib/mysql# du-sh ib_logfile*48M ib_logfile048M ib_logfile1root@test:/var/lib/mysql# Thank you for reading The above is the content of "what is the concept of redo log in mysql". After the study of this article, I believe you have a deeper understanding of what the concept of redo log in mysql is, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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