no response from nsd 2.3.4 with more than 12 server processes

Miek Gieben miek at
Fri Jun 2 11:57:43 UTC 2006

[On 02 Jun, @13:51, Wouter Wijngaards wrote in "Re: no response from nsd 2.3.4 ..."]
> Yes it has the exact same problem, 9 servers give answer, 10 don't. I
> can see all 10 servers respond to NSD3 IPC pipes with zone state
> information, but none unblock when I send a query to the udp port.
> Setting the fds nonblocking does not help either.

hmm, *nasty* :-(
Is this related to the thundering herd problem? [*]. If so, you
have some (linux only I thought) options to let the kernel
know you only need one process to wake up.


  - Miek    
  PGP: 6A3C F450 6D4E 7C6B C23C  F982 258B 85CF 3880 D0F6
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