Manual:$wgRequestTimeLimit

Performance hacks and limits: $wgRequestTimeLimit
Set a limit on server request wall clock time.
Introduced in version:1.36.0 (Gerrit change 654573; git #2697837f)
Removed in version:still in use
Allowed values:(integer) or null
Default value:null

Details edit

Set a limit on server request wall clock time.

If the Excimer extension is enabled, setting this will cause an exception to be thrown after the specified number of seconds. If the extension is not available, set_time_limit() will be called instead.