From: Herbert Poetzl (herbert_at_13thfloor.at)
Date: Thu 28 Oct 2004 - 05:32:47 BST
On Wed, Oct 27, 2004 at 11:36:34AM -0400, Gregory (Grisha) Trubetskoy wrote:
> I haven't seen memory discussed on this list for a while :-)
> I see that there are limits listed in the /proc/virtual/XXX/limits file,
> but I couldn't find any documentation on what they mean and how to set
recent tools contain an utility called vlimit, and
provide config options to set those limits for
VS (AS), VSL (LOCKED) and RSS
> I'm especially curious about the RSS limit. I _think_ I've seen mentions
> that the FreeVPS patches force pages to be swapped out when the context
> exceeds the RSS limits.
yes, heard that too ...
> I'm not sure I have a formed opinion on this approach. On one hand it
> seems like it will reduce real RAM utilization by contexts, on the other
> it may generate unnecessary disk activity...
> Does VServer do something like this? What's the latest memory limit
well, we 'just' account and enforce it. period.
there is also an option to block fork() if the
RSS limit is reached and the same amount as the
forking process uses isn't available ...
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