[Obsolete] Overview

This overview summarizes the system requirements for a Drupal 10 or Drupal 11 site. For more details visit the pages dedicated to the specific requirements.

Drupal 10

Web server

Apache 2.4.7 or higher, Nginx 1.1 or higher, or any other web server with proper PHP support.

More details about web server requirements.

Database

• MySQL 5.7.8 or higher
• MariaDB 10.3.7 or higher
• Percona Server 5.7.8 or higher
• PostgreSQL 12 or higher
• SQLite 3.26 or higher

More details about database requirements.

Memory

• Memory requirements RAM: Minimum required memory is 1GB to make sure Composer works. If you are running multiple modules or using memory-intensive tools such as Solr, or Memcache, considerably more memory may be needed.
• PHP memory requirements: The minimum required memory size is 64 MB, typically 128 MB or 256 MB are found in production systems. For more, see PHP memory requirements.

Be aware of the limitations of 32-bit PHP.

PHP

• PHP version: Drupal 10 requires at least PHP 8.1. PHP 8.1.6 is recommended.
• PHP extensions needed: PDO, XML, GD-library, OpenSSL, JSON, cURL, Mbstring.

More details about PHP requirements.

Disk space

Minimum 100MB. You will need more space if you install additional modules or themes, and you’ll also need space for media, backups, and other files generated by and uploaded to your site.

Drupal 11 and Drupal CMS

Web server

Apache 2.4.7 or higher, Nginx 1.1 or higher, or any other web server with proper PHP support.

More details about web server requirements.

Database

• MySQL 8.0 or higher.
• MariaDB 10.6 or higher.
• Percona Server 8.0 or higher.
• PostgreSQL 16 or higher.
• SQLite 3.45 or higher.

More details about database requirements.

Memory

• Memory requirements RAM: Minimum required memory is 1GB to make sure Composer works. If you are running multiple modules or using memory-intensive tools such as Solr, or Memcache, considerably more memory may be needed.
• PHP memory requirements: The minimum required memory size is 64 MB, typically 128 MB or 256 MB are found in production systems. For more, see PHP memory requirements.

Be aware of the limitations of 32-bit PHP.

PHP

• PHP version: Drupal 11 requires PHP 8.3.
• PHP extensions needed: PDO, XML, GD-library, OpenSSL, JSON, cURL, Mbstring, zlib.

More details about PHP requirements.

Disk space

Minimum 100MB. You will need more space if you install additional modules or themes, and you’ll also need space for media, backups, and other files generated by and uploaded to your site.