bind-9.3.2 / CPU issue.
Wesley Hof
wesley.hof at scarlet.biz
Fri Aug 11 07:28:22 UTC 2006
Hi list,
I currently run bind version 9.3.2 on a machine :
Mem: 3108468k total
Swap: 2097136k total
Cpu: dual Intel(R) Xeon(TM) CPU 2.80GHz
I have four of these boxes running as caching nameservers for my customers. I get about 600 queries/second on each machine. After x amount of time my cpu usage peeks to 100%
resulting in _real_ slow responses, the problem doesn't go away from itself, I need to restart named to get this fixed. All four machines have this issue. I tried several upgrades,
tuning config options like max-cache-size, max-ncache-ttl ... still no result. I do use an ACL to restrict users based on ip, tried to disable that to for a while, but still with no result.
Is there someone with the same issue ? Or some good tips ? :)
Thanks,
Wesley.
--
(o_ Wesley Hof
//\ UNIX System Engineer
V_/_ Scarlet Belgium
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