How to fix Apache error ‘AH00326: Server ran out of threads to serve requests. Consider raising the ThreadsPerChild setting’

How to fix Apache error ‘AH00326: Server ran out of threads to serve requests. Consider raising the ThreadsPerChild setting’

apache_logoIf your Apache web server error.log shows the ‘Server ran out of threads to serve requests. Consider raising the ThreadsPerChild setting’, you should check the following:

  • Check if the line with ‘Include conf/extra/httpd-mpm.conf‘ is active in ‘httpd.conf’
  • Check your ‘httpd-mpm.conf‘ if the ThreadsPerChild options has a value needed for your situation (default = 150)

More information about the ThreadsPerChild options can be found here.

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