[rbldnsd] generic dataset still supported?

[nathan r. hruby]

On Sat, 15 Jul 2006, Michael Tokarev wrote:

> nathan r. hruby wrote:
>> Hi Folks,
>>
>> Is the "generic" dataset type still supported and planned to be supported
>> in rbldnsd?
>
> Well, it's an integral part of the whole thing.  So.. yes.  I hope ;)
>

Yea!

>> I'm wondering because I have a possible "interesting" application that
>> requires about 80k A records in a zone and will need to be regenerated
>> every hour, using the generic format.  I have doubt about bind's ability
>> to do this well, but I know that rbldnsd can.
>
> The generic dataset type is rather simplistic, and isn't optimized very
> well.  It's aimed as an addition for main datasets like ip4set et al,
> just to add "a little" of DNS metadata, say, a few records like MX for
> the domain, maybe an A record for a web page, maybe some descriptional
> TXT record and so on.  I mean, I can't guarantee it will work well with
> large amount of records, like other "main" datasets handle.  It isn't
> "bad", but I just never thought about using it in bulk.

Thanks.  If I end up doing this, I'll report back.

> On the other hand, 80k isn't that much really.  On modern hardware, I'd
> say any nameserver is capable to handle that stuff pretty easy.  Why do
> you think BIND will be unable to handle it?  Just try it and see?

Last time I tried a zone with 80k records bind's memory footprint grew to
about 200MB and took 5 minutes to reload.  This was on a dual 1Ghz P3 with
SCSI RAID.

> And also, if you only want A records, try using dnset instead. It should
> work a bit better (in terms of memory and speed) than generic dataset,
> and - probably, really depending on your usage - should just work for
> you.  But again, for 80k entries, there should be no big difference.

Thanks!  I'll look into that!  It didn't immediately look like what I
needed, but it's been quite some time since I really looked as rbldnd's
file formats, because it always just works and I don't have to fiddle with
it at all.

-n
-- 
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nathan hruby <nhruby at uga.edu>
uga enterprise information technology services
core services  support
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