[users@httpd] Apache Issue with ssl certificate

Hi, I have configured Letsencrypt on Apache reverse proxy. Whenever I add new cert or renew existing certificate, I do Apache reload, but still sometimes browser displays old certificate. When I do Apache restart problem disappears. I can't do Apache restart everytime post cert renewal as it dro

[users@httpd] mpm-event not killing child process

Hi, Server Version: Apache/2.4.25. I am not able to figure out why apache parent process not killing childs when there are so many idle workers. Please help me to understand this mpm-event configuration: StartServers 2 MinSpareThreads 32 Max