How to choose a GitLab database in CentOS
Apr 14, 2025 pm 05:39 PMWhen installing and configuring GitLab on a CentOS system, the choice of database is crucial. GitLab is compatible with multiple databases, but PostgreSQL and MySQL (or MariaDB) are most commonly used. This article analyzes database selection factors and provides detailed installation and configuration steps.
Database Selection Guide
The following factors need to be considered when choosing a database:
- PostgreSQL: GitLab's default database is powerful, has high scalability, supports complex queries and transaction processing, and is suitable for large application scenarios.
- MySQL/MariaDB: a popular relational database widely used in Web applications, with stable and reliable performance.
- MongoDB: NoSQL database, good at handling massive unstructured data, excellent performance and scalability.
- Redis: In-memory database, used to store and quickly retrieve key-value pairs, often used for cache and message queues.
Installation and configuration
Using PostgreSQL
- Install PostgreSQL:
sudo yum install -y postgresql-server sudo postgresql-setup initdb sudo systemctl enable postgresql sudo systemctl start postgresql
- GitLab PostgreSQL configuration: Modify
/etc/gitlab/gitlab.rb
file, setgitlab_rails['db_host']
tolocalhost
, and configuregitlab_rails['db_user']
andgitlab_rails['db_password']
as PostgreSQL username and password. - Reconfigure and restart GitLab:
gitlab-ctl reconfigure gitlab-ctl restart
Using MySQL/MariaDB
- Install MySQL/MariaDB:
sudo yum install -y mysql-server sudo systemctl start mysqld sudo systemctl enable mysqld
- MySQL/MariaDB security configuration: execute the
sudo mysql_secure_installation
command to set the root password and enhance security. - GitLab MySQL/MariaDB configuration: Modify
/etc/gitlab/gitlab.rb
file, setgitlab_rails['db_host']
tolocalhost
, and configuregitlab_rails['db_user']
andgitlab_rails['db_password']
as the username and password of MySQL/MariaDB. - Reconfigure and restart GitLab:
gitlab-ctl reconfigure gitlab-ctl restart
Important Tips
- Make sure the database server has enough CPU, memory and storage space to meet GitLab's operational needs.
- Select the appropriate database according to the actual data type and application scenario. For example, MongoDB is a better choice when dealing with large amounts of unstructured data.
- During the database configuration process, be sure to set a strong password and take necessary security measures to restrict access rights.
Follow the above steps to easily select and configure GitLab's database on your CentOS system.
The above is the detailed content of How to choose a GitLab database in CentOS. For more information, please follow other related articles on the PHP Chinese website!

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