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[ILUG] Quick apache question ...

[ILUG] Quick apache question ...

Thomas Bridge tbridge at vianetworks.ie
Mon Jul 16 16:27:15 IST 2001


At 15:41 16/07/2001 +0100, you wrote:
>What is the maximum number of virtual web sites that you can have on a
>normal install and config of apache 1.3.6 ?

That depends on how you do it.

If you use the mass virtual hosting setup, it's pretty high (nearly 
infinity) though OS restrictions as to how many symbolic or actual 
links/subdirectories you can have in a directory could define a limit.

If you're using seperate VirtualHost directives, I think each will use at 
least 2 open file handles.   If you then have actual access logging and 
error logging, this will use another 2.   In any case, on a bog standard 
2.0 kernel, you will have problems with more than around 250 virtual host 
directives (though you can get more by using different logging 
mechanisms).     This can be tweaked though - I've managed to get one 
server running well over a thousand virtual hosts by tweaking the kernel 
and apache config.

Normal install and config under a 2.2 kernel - I think you'll get about 
1000.   Under a 2.0 kernel, about 250.

T.






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