Messages in this thread | | | Date | Fri, 23 Mar 2001 12:24:16 -0800 | From | Fabio Riccardi <> | Subject | kernel support for _user space_ web server accelerator |
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Ok, here it comes again,
I don't like the idea of having a web server in the kernel, I don't think it belongs there.
Yes I'm pretty familiar with TUX, I believe that it is a foundamental piece of achievement in web server performance study. Neverthanless I think that it is sitting on the wrong spot.
I'm building an alternative web server that is entirely in _user space_ and that achieves the same level of performance as TUX. Presently I can match TUX performance within 10-20%, and I still have quite a few improvements in my pocket.
Nevertheless I need some minimal help from the kernel, like a FAST (and secure?) mechanism for socket forwarding and a better (non-blocking on files) sendfile interface.
For the time being I'm using a socket delivery mechanism similar to that of TUX and khttpd, as I stated at the beginning of this thread. I don't like the idea of patching the kernel, I don't believe that it is a viable distribution mechanism and I'm trying to find a better way of adding the functionality that I require as a kernel module.
Currently the "right" kernel network interfaces are exposed to the modules only if khttpd or ipv6 are compiled as modules. Can we change this such that a standard binary kernel (say, the one coming with a vanilla RedHat distrubution or similar) would expose the right stuff?
Would it make any sense to have a real system call doing this kind of stuff?
HELP! :)
TIA, ciao,
- Fabio
Zach Brown wrote:
> > Zach, have you ever noticed such a performance bottleneck in your phhttpd? > > yup, this is definitely something you don't want to be doing in the fast > path :) > > > Any thoughts? > > Sorry I don't remember the start of this thread, but I'll ask anyway; > have you looked at Ingo Molnar's Tux server? Its state of the art unix > serving, implemented in the linux kernel: > > http://people.redhat.com/mingo/TUX-patches/ > > -- > zach
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