On Thu, 27 Mar 2003, DOLIST Technical Center wrote:

>
> Bonjour Davide,
>
> Wednesday, March 26, 2003, 7:30:40 PM, Davide Libenzi wrote:
>
> > This is a free world man, you can try whatever you like. My suggestion is
> > to try another *OS*, because an OS's file system that slows down
> > performance with an average of only 1600 files inside a folder is, by
> > definition, *crap*.
> > Last time I checked, XMail was 10 ( ten ) times faster on Linux respect to
> > Windows on the same HW. Not 2, not even 4, but 10.
>
> Well this is not the problem at all, I would have know that you will
> reply this :o) I'm happy to use Xmail, "the final solution" would have
> been bad when we support and talk about your product to many customers
> or relation :/
>
> Anyway is there a way to not use this cache ? Even if *nix would have
> run x10 faster and I would have x10 more domains in cache, how is the
> gain between disk access and tcp/ip DNS request ? How does this cache
> works ? Does Xmail when It needs a MX requets scan all folders to find
> for each mail if the domain already exists in one of them of the
> information is stored permanently in memory ? Or just have I to
> setup a cron to delete periodically the domains in the 100 folders,
> for example ?

1.14 will have "-MD ndirs" to set the split level of the cache. Yes, the
cache is very effective for speed and network bandwidth savings.




- Davide

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