Optimiser les performances d'un serveur dédié

<h2>Performance serveur dédié</h2><h3>Kernel tuning</h3><pre><code># /etc/sysctl.conf\nnet.core.somaxconn = 65535\nnet.ipv4.tcp_max_syn_backlog = 65535\nvm.swappiness = 10\nfs.file-max = 2097152</code></pre><h3>MySQL tuning</h3><pre><code># /etc/mysql/conf.d/tuning.cnf\n[mysqld]\ninnodb_buffer_pool_size = 4G # 70% de la RAM disponible\ninnodb_log_file_size = 512M\nmax_connections = 500\nquery_cache_type = 0 # Désactivé en MySQL 8</code></pre><h3>Nginx tuning</h3><pre><code>worker_processes auto;\nworker_connections 4096;\nkeepalive_timeout 30;\ngzip on;\ngzip_types text/plain text/css application/json application/javascript;</code></pre><h3>PHP-FPM</h3><pre><code>pm = dynamic\npm.max_children = 50\npm.start_servers = 10\npm.min_spare_servers = 5\npm.max_spare_servers = 20</code></pre>