Articles are saved slowly on the site, the connection to the database is not encrypted

Articles are saved slowly on the site, the connection to the database is not encrypted. How can ecrypted connection ON?

PHP Linux medvestnik.server.ltd 5.4.0-216-generic #236-Ubuntu SMP Fri Apr 11 19:53:21 UTC 2025 x86_64
mysql
10.6.21-MariaDB-ubu2004
utf8mb4_general_ci
utf8mb4_general_ci
TLSv1.3 (TLS_AES_128_GCM_SHA256)
PHP 8.3.17
Apache/2.4.63 (Ubuntu) mod_fcgid/2.3.9 OpenSSL/1.1.1f
fpm-fcgi
Joomla! 5.3.1 Stable [ Timu ] 27-May-2025 16:00 GMT

Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36|
Save article in admin panel is very slow!