Increasing per-process memory limits?

[David Landgren]

Giorgos Keramidas wrote:

> On 2003-10-14 23:51, njc <njc at fightevil.net> wrote:
> 
>>Hello,
>>I'm currently using Zope's Plone application which relies heavily on
>>python. When uploading large files (>65 megs, possibly higher), the
>>python process is bombing out with a 'memory exceeded' error. I'm using
>>4.8-STABLE . I've been told that if I increase the amount of available
>>memory to the python process that I can resolve this issue. I've
>>attempted increasing the max users variable in the kernel to 0, hoping
>>it might auto-tune, but that doesn't seem to be working. Am I tweaking
>>the wrong area? Where should I be looking?
> 
> 
> Try reading the manual page of /etc/login.conf:
> 
> 	man login.conf
> 
> Another way of enforcing/changing the limits that a user process has is
> through the 'limit' built-in command of tcsh or the /usr/bin/limits
> system tool.  More information about these in the tcsh(1) and limits(1)
> manpages.

Note that the GENERIC kernel has a hard limit of 256MB, defined by 
MAXDSIZ (and MAXSSIZ too) in the configuration file. For modern 
machines with a large amount of RAM this may be inadequate. You will 
have to recompile the kernel to run larger processes.

David