[users@httpd] fcgi unix domain socket/TCP socket question

Couple of questions ... Reading this Apache httpd document ... https://httpd.apache.org/docs/2.4/mod/mod_proxy_fcgi.html Does the below mean if the max children for a PHP-FPM pool using Unix Domain Sockets is reached then any subsequent PHP-FPM requests for that virtual host utilize a TCP

[users@httpd] mod_proxy_scgi 2.4.29-1ubuntu4.8 errors with scgi 1.15

Hi, Apologies if this isn't the correct forum to discuss this error as it appears to be Python and SCGI related, but I'm hoping someone here has some pointers. Testing our Python application stack on Ubuntu 18.04 with latest versions of SCGI (1.15) and the bundled version of Apache