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Diffstat (limited to 'doc/install/database_mysql.md')
| -rw-r--r-- | doc/install/database_mysql.md | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/doc/install/database_mysql.md b/doc/install/database_mysql.md index 4a2c699129d..e51ff5a5de2 100644 --- a/doc/install/database_mysql.md +++ b/doc/install/database_mysql.md @@ -8,7 +8,7 @@ We do not recommend using MySQL due to various issues. For example, case [(in)se # Install the database packages sudo apt-get install -y mysql-server mysql-client libmysqlclient-dev - + # Ensure you have MySQL version 5.5.14 or later mysql --version @@ -31,7 +31,7 @@ We do not recommend using MySQL due to various issues. For example, case [(in)se # Ensure you can use the InnoDB engine which is necessary to support long indexes # If this fails, check your MySQL config files (e.g. `/etc/mysql/*.cnf`, `/etc/mysql/conf.d/*`) for the setting "innodb = off" mysql> SET storage_engine=INNODB; - + # Create the GitLab production database mysql> CREATE DATABASE IF NOT EXISTS `gitlabhq_production` DEFAULT CHARACTER SET `utf8` COLLATE `utf8_unicode_ci`; @@ -55,19 +55,22 @@ We do not recommend using MySQL due to various issues. For example, case [(in)se ## MySQL strings limits -After installation or upgrade is done, remember to run `add_limits_mysql` rake task: +After installation or upgrade, remember to run the `add_limits_mysql` Rake task: ``` bundle exec rake add_limits_mysql ``` -The `text` type in MySQL have different size limit than `text` type in PostgreSQL. In MySQL `text` columns are limited -to ~65kB, where in PostgreSQL `text` columns are limited up to ~1GB! +The `text` type in MySQL has a different size limit than the `text` type in +PostgreSQL. In MySQL `text` columns are limited to ~65kB, whereas in PostgreSQL +`text` columns are limited up to ~1GB! -`add_limits_mysql` rake task converts some important `text` columns in GitLab database to `longtext` which can persist -up to 4GB characters (may be less if the value contains multibyte characters). +The `add_limits_mysql` Rake task converts some important `text` columns in the +GitLab database to `longtext` columns, which can persist values of up to 4GB +(sometimes less if the value contains multibyte characters). -Details can be found in [PostgreSQL manual][postgres-text-type] and in [MySQL manual][mysql-text-types]. +Details can be found in the [PostgreSQL][postgres-text-type] and +[MySQL][mysql-text-types] manuals. [postgres-text-type]: http://www.postgresql.org/docs/9.1/static/datatype-character.html [mysql-text-types]: http://dev.mysql.com/doc/refman/5.7/en/string-type-overview.html |