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group title functional_areas
Magento 2.3 technology stack requirements

Operating systems (Linux x86-64)

Linux distributions, such as RedHat Enterprise Linux (RHEL), CentOS, Ubuntu, Debian, and similar. Magento is not supported on:

  • Windows OS
  • Mac OS

Memory requirement

Upgrading the Magento applications and extensions you obtain from Magento Marketplaces and other sources can require up to 2GB of RAM. If you are using a system with less than 2GB of RAM, we recommend you create a [swap file]({{ page.baseurl }}/comp-mgr/trouble/cman/out-of-memory.html); otherwise, your upgrade might fail.

Composer (latest stable version)

{% glossarytooltip d85e2d0a-221f-4d03-aa43-0cda9f50809e %}Composer{% endglossarytooltip %} is required for developers who wish to contribute to the Magento 2 codebase or anyone who wishes to develop Magento extensions.

Web servers


MySQL 5.6, 5.7

Magento is also compatible with MySQL NDB Cluster 7.4.*, MariaDB 10.0, 10.1, 10.2, Percona 5.7, and other binary-compatible MySQL technologies.

{ .bs-callout-info} Magento only uses MySQL features compatible with MariaDB. MariaDB may not be compatible with all MySQL features, however, so be sure to research compatibility issues before using a feature in your Magento module.


{ .bs-callout-info} All 3rd party libraries now support PHP 7.2. If you are interested in participating in Magento Community projects we welcome your help! See our ZenHub board for a full list of outstanding issues.

{% include install/ %}

Magento 2.3.1 is certified and tested on PHP 7.2.11.

Required PHP extensions

{ .bs-callout-info} The PHP installation instructions include a step for installing these extensions.

{% include install/ %}

Refer to official PHP documentation for installation details.

PHP OPcache

We strongly recommend you verify that PHP OPcache is enabled for performance reasons. The OPcache is enabled in many PHP distributions. To verify if it is installed, see our PHP documentation.

If you must install it separately, see the PHP OPcache documentation.

PHP settings

We recommend particular PHP configuration settings, such as memory_limit, that can avoid common problems when using Magento.

For more information, see [Required PHP settings]({{ page.baseurl }}/install-gde/prereq/php-settings.html).


  • A valid {% glossarytooltip 363d6806-6a7d-4cb6-bc47-efc62bc26a1c %}security certificate{% endglossarytooltip %} is required for HTTPS.

  • Self-signed SSL certificates are not supported.

  • Transport Layer Security (TLS) requirement - PayPal and both require TLS 1.1 or later:

Required system dependencies

Magento requires the following system tools for some of its operations:

Mail server

Mail Transfer Agent (MTA) or an SMTP server

Technologies Magento can use

  • Redis versions 3.2, 4.0, 5.0 (compatible with 2.4+) for page caching and session storage. Version 5.0 is highly recommended.

  • Varnish version 4.x or 5.2

  • Elasticsearch

    {{}} version 2.3.x supports the following Elasticsearch versions:

    • Elasticsearch 6.x{:target="_blank"}

      Magento 2.3 uses Elasticsearch PHP client{:target="_blank"} version 6.1.

      {: .bs-callout .bs-callout-warning} Magento still provides support for but does not recommend Elasticsearch 2.x and 5.x. If you must run Elasticsearch 2.x or 5.x with Magento 2.3.1, you must change the Elasticsearch client version. Follow the instructions in Change Elasticsearch Module.

  • RabbitMQ 3.7.x (compatible with 2.0 and later)

    RabbitMQ{:target="_blank"} can be used to publish messages to queue and to define the consumers that receive the messages asynchronously.

{{}} only

  • Three master databases

    These master databases provide scalability advantages for different functional areas of the Magento application such as checkout, orders, and all remaining Magento2 application tables.

Optional but recommended

  • php_xdebug 2.5.x{:target="_blank"} or later (development environments only; can have an adverse effect on performance)

{ .bs-callout-info} There is a known issue with xdebug that can affect Magento installations or access to the storefront or Magento Admin after installation. For details, see Known issue with xdebug.

  • mcrypt{:target="_blank"}
  • PHPUnit (as a command-line tool) 6.2.0
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