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MySQL 5.7 Reference Manual
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14.10.1 Enabling File Formats

The innodb_file_format configuration option enables an InnoDB file format for file-per-table tablespaces.

Barracuda is the default innodb_file_format setting. In earlier releases, the default file format was Antelope.

Note

The innodb_file_format configuration option is deprecated and may be removed in a future release. For more information, see Section 14.10, “InnoDB File-Format Management”.

You can set the value of innodb_file_format on the command line when you start mysqld, or in the option file (my.cnf on Unix, my.ini on Windows). You can also change it dynamically with a SET GLOBAL statement.

SET GLOBAL innodb_file_format=Barracuda;

Usage notes