Hello,

On Wed, Jun 2, 2010 at 7:33 PM, Arno Garrels <arno.garr...@gmx.de> wrote:

> Arno Garrels wrote:
> > Fastream Technologies wrote:
> >> Hello,
> >>
> >> Has the IPv6 async DNS resolving issue been resolved? How
> >> many socket/threads?
> >
> > There is a (hopefully) thread-safe new class which provides
> > async lookups. One global object of this class is allocated in
> > unit initialization with the maximum number of threads that it
> > may spawn currently set to the number of processors.ยด
>
> How fast/slow this implementation works with thousands of
> concurrent requests is of course untested. One DNS lookup may
> take one or even multiple seconds in the worst case. Since once
> the internal call to GetAddrInfo() is fired cancelation of this
> request won't free this thread for new task (it has to wait until
> GetAddrInfo() returned before it is able to pick another request
> from the request queue).
>
> >
> > --
> > Arnio Garrels
>

I do not have much free time these days but why don't you use the web stress
tester BCB source at http://www.fastream.com/webstresstester.php which can
open tens of thousands of concurrent connections for testing this new
feature?

Best Regards,

SZ
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