Where to set MaxRequestWorkers value properly?

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1
SYSTEM INFORMATION
OS type and version almalinux 8.10
Virtualmin version 7.20.2

To avoid this error which I’m constantly getting and causes all virtual servers to go down:

AH00484: server reached MaxRequestWorkers setting, consider raising the MaxRequestWorkers setting

I’ve added this into the /etc/httpd/conf.modules.d/00-mpm.conf file right after the LoadModule mpm_event_module modules/mod_mpm_event.so line, using the Edit Config Files section and restarted both apache and the VPS:

<IfModule mpm_event_module>
    ServerLimit         512
    StartServers        4
    MinSpareThreads     75
    MaxSpareThreads     250
    ThreadLimit         64
    ThreadsPerChild     32
    MaxRequestWorkers   512
    MaxConnectionsPerChild   10000
</IfModule>

However, apachectl status shows this:

httpd.service - The Apache HTTP Server
   Loaded: loaded (/usr/lib/systemd/system/httpd.service; enabled; vendor preset: disabled)
  Drop-In: /usr/lib/systemd/system/httpd.service.d
           └─php-fpm.conf
           /etc/systemd/system/httpd.service.d
           └─php74-php-fpm.conf
   Active: active (running) since Fri 2024-12-27 12:59:12 UTC; 8min ago
     Docs: man:httpd.service(8)
 Main PID: 4155 (httpd)
   Status: "Total requests: 2681; Idle/Busy workers 96/3;Requests/sec: 5.27; Bytes served/sec:  45KB/sec"
    Tasks: 351 (limit: 50377)
   Memory: 129.7M
   CGroup: /system.slice/httpd.service
           ├─4155 /usr/sbin/httpd -DFOREGROUND
           ├─4157 /usr/sbin/httpd -DFOREGROUND
           ├─4158 /usr/sbin/httpd -DFOREGROUND
           ├─4159 /usr/sbin/httpd -DFOREGROUND
           ├─4160 /usr/sbin/httpd -DFOREGROUND
           ├─4161 /usr/sbin/httpd -DFOREGROUND
           └─4162 /usr/sbin/httpd -DFOREGROUND

I understand Idle/Busy workers 96/3 means my MaxRequestWorkers 512 was never applied. Exactly which file should I edit to set MaxRequestWorkers and the other settings as shown? Thanks

2

Hello,

See this thread: