Maintained by: NLnet Labs

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

lst_hoe02 at kwsoft.de
Thu Nov 11 11:12:03 CET 2010


Zitat von "W.C.A. Wijngaards" <wouter at NLnetLabs.nl>:

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> 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.

This would vote for a separate parameter instead of using the same  
value as for so-rcvbuf, no?

Regards

Andreas