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=head1 NAME Apache2::Resource - Limit resources used by httpd children =head1 Synopsis PerlModule Apache2::Resource # set child memory limit in megabytes # default is 64 Meg PerlSetEnv PERL_RLIMIT_DATA 32:48 # linux does not honor RLIMIT_DATA # RLIMIT_AS (address space) will work to limit the size of a process PerlSetEnv PERL_RLIMIT_AS 32:48 # set child cpu limit in seconds # default is 360 seconds PerlSetEnv PERL_RLIMIT_CPU 120 PerlChildInitHandler Apache2::Resource =head1 Description C<Apache2::Resource> uses the C<BSD::Resource> module, which uses the C function C<setrlimit> to set limits on system resources such as memory and cpu usage. Any C<RLIMIT> operation available to limit on your system can be set by defining that operation as an environment variable with a C<PERL_> prefix. See your system C<setrlimit> manpage for available resources which can be limited. The following limit values are in megabytes: C<DATA>, C<RSS>, C<STACK>, C<FSIZE>, C<CORE>, C<MEMLOCK>; all others are treated as their natural unit. If the value of the variable is of the form C<S:H>, C<S> is treated as the soft limit, and C<H> is the hard limit. If it is just a single number, it is used for both soft and hard limits. =head1 Defaults To set reasonable defaults for all RLIMITs, add this to your httpd.conf: PerlSetEnv PERL_RLIMIT_DEFAULTS On PerlModule Apache2::Resource =head1 See Also BSD::Resource(3), setrlimit(2) =head1 Copyright mod_perl 2.0 and its core modules are copyrighted under The Apache Software License, Version 2.0. =head1 Author Doug MacEachern =cut