Shell and process control: $wgMaxShellTime
Maximum CPU time in seconds for shell processes under Linux.
Introduced in version:1.14.0 (r42136)
Removed in version:still in use
Allowed values:(positive integer, or 0)
Default value:180

Details edit

Under Linux, shell commands are executed with the time and memory limits given by $wgMaxShellTime and $wgMaxShellMemory . Setting either variable to 0 will disable both limits.

See also edit