On Fri, 29 Oct 1999, Michael Beckmann wrote:
> Here is the problem:
> When you want to have 500 GB of storage, you will need 250 files. In the current
> implementation of nnrpd, this will need 250 file descriptors per nnrpd. This will
> limit the number of readers that can be supported on a system, because a nnrpd is
> spawned for each reader. I was told that nnrpd can be hacked to only consume file
> descriptors when really needed, but itīs supposed to have a performance penalty.
> Thatīs why Iīm looking for a way of having large mmapīable files. Are you saying
> that ALL Intel CPUs, including PIII, can only address 4 GB? I probably need to
> look at other architectures or solve this fd problem.
>
> Michael
>
Have a look in news.software.nntp. Some of the folks there have built
some monster news systems on intel boxes (including FreeBSD). They
surely have encountered some of the hurdles you forsee. There was
an excellent thread last summer about building a distributed scalable
news system that would scale to a million users with a FreeBSD/Diablo
combination. A search for Joe Greco and Diablo at deja should turn
up some gems.
-
Barrett
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