[bind10-dev] using our resolver for real work (and NSAS failures)

[Joao Damas]

don't spend a second fixing anything in the current resolver, we will create a much better one, starting this month.

Joao

On 8 Jun 2012, at 19:20, Jeremy C. Reed wrote:

> The old git server used our resolver for over a year. I have been using 
> it as a forwarder for over a year.  Over the past couple months, I 
> configured most of our build systems, the BIND 10 web server, and main 
> BIND 10 zone DNS server to only use our resolver. (The open resolvers 
> running on both n10 and git boxes.)
> 
> A few times I have noticed problems.
> 
> I noticed yesterday that sendmail had problems sending mail from the 
> Trac server to one of the bug submitters (not part of the team) due to 
> DNS lookup failures.
> 
> I opened a few tickets about some problems:
> 
> NSAS permanently cache unreachable namservers?
> http://bind10.isc.org/ticket/2031
> 
> NSAS wrongly recording nameservers are unreachable
> http://bind10.isc.org/ticket/2030
> 
> NSAS repeating same tasks near simultaneously
> http://bind10.isc.org/ticket/2029
> 
> Before I opened the tickets, one of our developers via jabber said: 
> ``I'm afraid we won't have time to fix the current b10-resolver ... 
> except for very critical bug fixes like reproducible crash or security 
> bugs.'' He suggested we ``keep [a] record [of] these weird things so we 
> can do it right in our "real resolver" work later this year ... 
> [because] trying to fix these for the current implementation will be a 
> duplicate effort.''
> 
> I think my problems are related to my the old, now-closed (but not fixed 
> as far as I know), ticket 833:
> 
> [b10-resolver] Nameservers unreachable but really are
> http://bind10.isc.org/ticket/833
> 
> The resolver has been in our tree for a couple years. Does anyone else 
> use it?
> 
> 
> The BIND 10 systems are still using our resolver. I worked around one 
> problem by restarting b10-resolver.
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