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How do I change InnoDB to Barracuda?
Change InnoDB file format to Barracuda
- mysql> select version();
- mysql> show variables like “%innodb_file%”;
- mysql> SET GLOBAL innodb_file_format = barracuda;
- mysql> show variables like “%innodb_file%”;
What is InnoDB_ file_ format?
The innodb_file_format configuration option enables an InnoDB file format for file-per-table tablespaces. The system tablespace is stored in the original Antelope file format. 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.
What is barracuda in MySQL?
Barracuda is the newest file format. It supports all InnoDB row formats including the newer COMPRESSED and DYNAMIC row formats.
Are Barracudas edible?
They’re also delicious and perfectly safe to eat if you consume only the small ones. Eating ‘cudas more than about 3.5 feet long isn’t advised because they can accumulate a naturally occurring toxin called “ciguatera.” Basically, ‘cudas and other large predators eat smaller fish that graze algae off the reefs.
Which is the newer file format InnoDB or barracuda?
Barracuda is a newer InnoDB file format. It supports the COMPACT, REDUNDANT, DYNAMIC and COMPRESSED row formats. Tables with large BLOB or TEXT columns in particular could benefit from the dynamic row format.
Which is MySQL file format for InnoDB tables?
It supports COMPACT and REDUNDANT row formats for InnoDB tables and is the default file format in MySQL 5.6 to ensure maximum compatibility with earlier MySQL versions that do not support the Barracuda file format. Barracuda is the newest file format. It supports all InnoDB row formats including the newer COMPRESSED and DYNAMIC row formats.
How to change InnoDB file format to Antelope?
This happens on restart if innodb_file_format_check is disabled and the server crashed, or it was closed with fast shutdown. To downgrade a table from the Barracuda format to Antelope, the table’s ROW_FORMAT can be set to a value supported by Antelope, via an ALTER TABLE statement. This recreates the indexes.
Why do you not want to run Barracuda in 2012?
The reason why you would not want to run Barracuda (in 2012) is that it could reduce flexibility in downgrading MySQL (i.e. after a failed upgrade, you want to move back to a version that can not read a newer format). i.e. there should be no technical reasons why Antelope is better. In MySQL 5.7 the innodb_file_format option was deprecated.