With a large number of vhosts ( 700) and proxy balancer configurations (200), Apache httpd exit at start up with AH00020: Configuration Failed error

Solution Verified - Updated -

Issue

  • With a large number of vhosts (> 700) and proxy balancer configurations (> 200), Apache httpd exit at start up with AH00020: Configuration Failed error.
  • The httpd will fail in a startup with the following error:
[proxy_balancer:emerg] [pid 32186:tid 139711762970752] (28)No space left on device: AH01185: worker slotmem_create failed
[:emerg] [pid 32186:tid 139711762970752] AH00020: Configuration Failed, exiting

Environment

  • Red Hat Enterprise Linux (RHEL) 7.8
    • httpd-2.4.6-93.el7.x86_64
    • httpd-tools-2.4.6-93.el7.x86_64

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