bind: eating a lot CPU time

From: O. Hartmann <ohartman_at_zedat.fu-berlin.de> Date: Wed, 05 Dec 2012 10:30:58 +0100 · This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:40:32 UTC

On a CURRENT server acting as the gateway/router (FreeBSD 10.0-CURRENT
#1 r243869M: Wed Dec  5 00:09:59 CET 2012), a running named/bind service
for local DNS resolution is eating up a lot of time.

Is this usual? I can not see caching, checking for requests or similar
what could cause a permanent load on the server daemon.

regards
oliver

  PID USERNAME       THR PRI NICE   SIZE    RES STATE   C   TIME   WCPU
COMMAND
 1635 bind             7  20    0 98640K 31640K kqread  0  41:02 113.13%
named
 1371 root             1  20    0 47932K  4168K select  2   0:14  0.00% ppp
 2413 klicko         1  20    0 99092K  8008K select  2   0:01  0.00% sshd
[...]