Re: [cobalt-users] What is the limiting factor on simultaneous access to a web page

[Colin Smith <colin@xxxxxxxxxxxxxxxxxxxx>]

On Sun, 8 Oct 2000, Peter J Goodwin wrote:

> Hi,
> 
> I've been trying to stress test a customers web site to find out how the
> site performs under load. By varying the Apache parameters
> MinSpareServers
> MaxSpareServers
> StartServers
> MaxClients
> we have seen varying results.

[snip]

> The one thing we think it may be is if there is a limit on the number of
> times a single file may be opened under Linux, and if this is defined by a
> kernel parameter.
> 
> Has anyone come across this issue before? Or does anyone have any ideas
> regarding this?

Maybe file descriptors. Check the files in /proc/sys/. You can modify
kernel parameters by echoing new values into these files. It modifies the
currently running kernel and it is entirely possible to crash the system
this way.