Maintained by: NLnet Labs

[Unbound-users] Resource temporarily unavailable and query problem with unbound

W.C.A. Wijngaards
Thu Nov 11 10:37:54 CET 2010


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 11/11/2010 10:11 AM, lst_hoe02 at kwsoft.de wrote:
> Zitat von "W.C.A. Wijngaards" <wouter at NLnetLabs.nl>:
>> I could implement such an option so-sndbuf; would it be easier to just
>> make it be equal to so-rcvbuf?  (saves another config entry?)
> 
> Not sure. The receive sockets are low in number and tend to higher
> latency if the machine is under load and could not process the incoming
> packets fast enough. The send sockets could be much higher in number
> (outgoing-range?) and should in case of UDP only fall behind if the
> available bandwidth is saturated.
> So i guess the send buffer per socket used should be smaller than the
> receive buffers...

The so-rcvbuf is only applied to the port-53 sockets for incoming
queries.  Like you say the outgoing sockets (due to port randomization)
see less traffic per socket.

Best regards,
   Wouter
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)
Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/

iEYEARECAAYFAkzbuXIACgkQkDLqNwOhpPjJOwCgrh+rFWijEiVlUFLtULhIpSlU
4oQAnixCMFYsMUqThZH4nbgkZ2m2mGas
=FCPj
-----END PGP SIGNATURE-----