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Software recommendations

We require the following software for production instances of Commerce:

For multi-server deployments, or for merchants planning on scaling their business, we recommend the following:

See system requirements for information about supported versions of each type of software.

Operating system

Operating system configurations and optimizations are similar for Commerce as compared to other high-load web applications. As the number of concurrent connections handled by the server increases, the number of available sockets can become fully allocated. The Linux kernel supports a mechanism to 鈥渞euse鈥� TCP connections. To enable this mechanism, set the following value in /etc/sysctl.conf:

net.ipv4.tcp_tw_reuse =聽1

The kernel parameter net.core.somaxconn controls the maximum number of open sockets waiting for connections. This value can be safely increased to 1024, but it should be correlated with the ability of the server to handle this amount. To enable this kernel parameter, set the following value in /etc/sysctl.conf:

net.core.somaxconn =聽1024

PHP

Magento fully supports PHP 7.3 and 7.4. There are several factors to account for when configuring PHP to get maximum speed and efficiency on requests processing.

PHP extensions

We recommend limiting the list of active PHP extensions to those that are required for Commerce functionality.

Magento Open Source and 蜜豆视频 Commerce:

Additionally 蜜豆视频 Commerce requires:

Adding more extensions increases library load times.

PHP Settings

To guarantee successful execution of all Commerce instances without dumping data or code to disk, set the memory limit as follows:

memory_limit=1G

For debugging, increase this value to 2G.

Realpath_cache configuration

To improve Commerce performance, add or update the following recommended realpath_cache settings in the php.ini file. This configuration allows PHP processes to cache paths to files instead of looking them up each time a page loads. See in the PHP documentation.

realpath_cache_size=10M
realpath_cache_ttl=7200

ByteCode

To get maximum speed out of Commerce on PHP 7, you must activate the OpCache module and properly configure it. These settings are recommended for the module:

opcache.memory_consumption=512
opcache.max_accelerated_files=60000
opcache.consistency_checks=0
opcache.validate_timestamps=0
opcache.enable_cli=1

When you fine-tune the memory allocation for opcache, take into account the size of Magento鈥檚 code base and all your extensions. Magento鈥檚 performance team uses the values in the preceding example for testing because it provides enough space in opcache for the average number of installed extensions.

If you have a low-memory machine and you do not have many extensions or customizations installed, use the following settings to get a similar result:

opcache.memory_consumption=64
opcache.max_accelerated_files=60000

APCU

We recommend enabling the and configuring composer to support it to optimize for maximum performance. This extension caches file locations for opened files, which increases performance for Commerce server calls including pages, Ajax calls, and endpoints.

Edit your apcu.ini file to include the following:

extension=apcu.so
[apcu]
apc.enabled = 1

Web server

Magento fully supports the Nginx and Apache web servers. Commerce provides sample recommended configuration files in the <magento_home>/nginx.conf.sample (Nginx) and <magento_home>.htaccess.sample (Apache) files. The Nginx sample contains settings for better performance and is designed so that little reconfiguration is required. Some of the main configuration best practices defined in the sample file include:

You should also configure the number of threads for input request processing, as listed below:

MySQL

This document does not provide in-depth MySQL tuning instructions because each store and environment is different, but we can make some general recommendations.

There have been many improvements to MySQL 5.7.9 We are confident that MySQL is distributed with good default settings. The most critical settings are:

Varnish

Magento highly recommends using Varnish as the full page cache server for your store. The PageCache module is still present in the codebase, but it should be used for development purposes only. It should not be used together with, or instead of, Varnish.

Install Varnish on a separate server in front of the web tier. It should accept all incoming requests and provide cached page copies. To allow Varnish to work effectively with secured pages, an SSL termination proxy can be placed in front of Varnish. Nginx can be used for this purpose.

Commerce distributes a sample configuration file for Varnish (versions 4 and 5) that contains all recommended settings for performance. Among them the most critical in terms of performance are:

See Advanced Varnish configuration for more information about implementing these features.

Optimize asset performance

In general, we recommend storing your assets (images, JS, CSS, etc) on a CDN for optimal performance.

If your site does not require deploying a large number of locales and your servers are in the same region as the majority of your customers, you may find significant performance gains at a lower cost by storing your assets in Varnish instead of using a CDN.

To store your assets in Varnish, add the following VCL entries in your default.vcl file generated by Commerce for Varnish 5.

At the end of the if statement for PURGE requests in the vcl_recv subroutine, add:

# static files are cacheable. remove SSL flag and cookie

if (req.url ~ "^/(pub/)?(media|static)/.*\.(ico|html|css|js|jpg|jpeg|png|gif|tiff|bmp|mp3|ogg|svg|swf|woff|woff2|eot|ttf|otf)$") {
  unset req.http.Https;
  unset req.http./* {{ ssl_offloaded_header }} */;
  unset req.http.Cookie;
}

In the vcl_backend_response subroutine, look for the if statement that unsets the cookie for GET or HEAD requests.
The updated if block should look like the following:

# validate if we need to cache it and prevent from setting cookie
# images, css and js are cacheable by default so we have to remove cookie also

if (beresp.ttl > 0s && (bereq.method == "GET" || bereq.method == "HEAD")) {
  unset beresp.http.set-cookie;
if (bereq.url !~ "\.(ico|css|js|jpg|jpeg|png|gif|tiff|bmp|gz|tgz|bz2|tbz|mp3|ogg|svg|swf|woff|woff2|eot|ttf|otf)(\?|$)") {
  set beresp.http.Pragma = "no-cache";
  set beresp.http.Expires = "-1";
  set beresp.http.Cache-Control = "no-store, no-cache, must-revalidate, max-age=0";
  }
}

Restart the Varnish server to flush cached assets whenever you upgrade your site or deploy/update assets.

Caching and session servers

Magento provides a number of options to store your cache and session data, including Redis, Memcache, filesystem, and database. Some of these options are discussed below.

Single web node setup

If you plan to serve all your traffic with just one web node, it does not make sense to put your cache on a remote Redis server. Instead, either use the filesystem or a local Redis server. If you want to use the filesystem, put your cache folders on a volume mounted on a RAM filesystem. If you want to use a local Redis server, we highly recommend configuring Redis so it uses sockets for direct connections, rather than exchange data through HTTP.

Multiple web nodes setup

For a multiple web nodes setup, Redis is the best option. Because Commerce actively caches lots of data for better performance, pay attention to your network channel between the web nodes and the Redis server. You do not want the channel to become a bottleneck for request processing.