Apache::Resource - Limit resources used by httpd children
PerlModule Apache::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 Apache::Resource
Apache::Resource uses the BSD::Resource module, which uses the C function setrlimit to set limits on system resources such as memory and cpu usage.
setrlimit
Any RLIMIT operation available to limit on your system can be set by defining that operation as an environment variable with a PERL_ prefix. See your system setrlimit manpage for available resources which can be limited.
PERL_
The following limit values are in megabytes: DATA, RSS, STACK, FSIZE, CORE, MEMLOCK; all others are treated as their natural unit.
DATA
RSS
STACK
FSIZE
CORE
MEMLOCK
If the value of the variable is of the form S:H, S is treated as the soft limit, and H is the hard limit. If it is just a single number, it is used for both soft and hard limits.
S:H
S
H
To set reasonable defaults for all RLIMITs, add this to your httpd.conf:
PerlSetEnv PERL_RLIMIT_DEFAULTS On PerlModule Apache::Resource
Doug MacEachern
BSD::Resource(3), setrlimit(2)
To install mod_perl, copy and paste the appropriate command in to your terminal.
cpanm
cpanm mod_perl
CPAN shell
perl -MCPAN -e shell install mod_perl
For more information on module installation, please visit the detailed CPAN module installation guide.