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How to improve the performance of your WordPress website using PHP-FPM optimization

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2023-10-05 12:25:421414browse

How to improve the performance of your WordPress website using PHP-FPM optimization

How to use PHP-FPM optimization to improve the performance of WordPress website?

Overview:
WordPress is one of the most widely used content management systems currently. However, as website traffic increases, performance problems gradually appear. PHP-FPM is a tool for managing and running PHP FastCGI processes, which can improve WordPress performance through some optimization methods. This article will introduce in detail how to use PHP-FPM optimization to improve the performance of WordPress websites and provide specific code examples.

  1. Using PHP-FPM connection pool
    PHP-FPM can configure a connection pool to manage and reuse the PHP FastCGI process. By setting appropriate connection pool parameters, we can improve WordPress performance.

We can configure it in the php-fpm.conf file. The following are some commonly used parameter configuration examples:

pm.max_children = 100
pm.start_servers = 20
pm.min_spare_servers = 10
pm.max_spare_servers = 30
pm.max_requests = 500

Among them, pm.max_children represents the maximum number of PHP processes, pm.start_servers represents the start of the PHP process pool Quantity, pm.min_spare_servers and pm.max_spare_servers respectively represent the minimum and maximum number of idle processes in the PHP process pool, pm.max_requests represents the requests processed by each process Quantity limit.

  1. Use OPcache to accelerate
    OPcache is a built-in extension of PHP that can cache the parsing results of PHP scripts to speed up the execution of the script.

We can enable OPcache by modifying the php.ini file and perform related configurations. The following are some commonly used configuration examples:

opcache.enable = 1
opcache.memory_consumption = 128
opcache.interned_strings_buffer = 8
opcache.max_accelerated_files = 4000
opcache.validate_timestamps = 0

Among them, opcache.enable indicates whether to enable OPcache, opcache.memory_consumption indicates the memory consumption of OPcache, opcache .interned_strings_buffer indicates the size of the string cache, opcache.max_accelerated_files indicates the maximum number of accelerated files, opcache.validate_timestamps indicates whether to enable timestamp verification.

  1. Using Redis Cache
    WordPress database query is a performance bottleneck. We can improve WordPress performance by using Redis to cache database query results.

We can enable Redis cache by adding the following code in the wp-config.php file:

define( 'WP_REDIS_HOST', '127.0.0.1' );
define( 'WP_REDIS_PORT', 6379 );
define( 'WP_REDIS_DATABASE', 0 );
define( 'WP_REDIS_TIMEOUT', 5 );
define( 'WP_REDIS_PASSWORD', 'your_password' );

Among them, WP_REDIS_HOST and WP_REDIS_PORT represents the host and port of Redis respectively, WP_REDIS_DATABASE represents the Redis database, WP_REDIS_TIMEOUT represents the timeout period for connecting to Redis, WP_REDIS_PASSWORD represents the Redis password (optional) ).

  1. Use Nginx as a reverse proxy server
    Nginx is a high-performance web server that can be used as a reverse proxy server. Used in conjunction with PHP-FPM, it can improve the performance of WordPress.

We can modify the Nginx configuration file and forward the request to PHP-FPM for processing. The following is a simple Nginx configuration example:

server {
    listen 80;
    server_name example.com;

    location / {
        try_files $uri $uri/ /index.php?$args;
    }

    location ~ .php$ {
        fastcgi_pass unix:/var/run/php/php7.4-fpm.sock;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        include fastcgi_params;
    }
}

In this configuration, we forward all PHP requests to PHP-FPM for processing.

Conclusion:
By optimizing and configuring PHP-FPM, we can improve the performance of the WordPress website. This article provides some basic optimization methods and sample code, hoping to be helpful to everyone. Of course, specific optimization strategies need to be adjusted and optimized based on actual conditions.

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