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How to add data files to MySQL8.0.18 database

2025-04-05 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >

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How to add data files in the MySQL8.0.18 database, many novices are not very clear about this, in order to help you solve this problem, the following editor will explain for you in detail, people with this need can come to learn, I hope you can gain something.

Background:

Centos7.4

Mysql8.0.18

View data catalog

[root@centos1 data] # ls-lh-rw-r- 1 mysql mysql 12m Feb 12 16:23 ibdata1

Modify the configuration file

My.cnf

# innodb_data_home_dir = / data/mysql3308/innodb_tsinnodb_data_home_dir = innodb_data_file_path = ibdata1:12M;ibdata2:12M:autoextend

* this setting with empty innodb_data_home_dir = directory can configure data files in different paths, otherwise it can only be configured in the same directory * the original data file size needs to be set to 12m exactly according to the size viewed by ls-lh; * only the last file directory can be set to autoextend restart view, and the data directory has been added successfully.

Mysql > show variables like'% innodb_data%' +-+ | Variable_name | Value | + -- + | innodb_data_file_path | ibdata1:12M Ibdata2:12M:autoextend | | innodb_data_home_dir | | +-+ is it helpful for you to read the above content? If you want to know more about the relevant knowledge or read more related articles, please follow the industry information channel, thank you for your support.

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