Trouble which bind8 chaching-only DNS.

[Barry Margolin]

In article <chmu5u$2220$1 at sf1.isc.org>,
 Dimitrij Hilt <dimitrij at schlund.de> wrote:

> Hi,
> 
> we have a problem with bind8 ( 8.3.3-REL ) as caching-only DNS.
> Bind runs a lot of time perfekt ( 399-600 queries/sec ), but then
> needs bind
> +suddenly 99% CCU time and becomes very slow.
> 
> I cann not see where this problem is. With strace i can see that named
> runs.
> After restart is bind8 Ok.
> 
> Does someone have the same problems?

Do you have enough RAM?  BIND gets very slow if it can't keep the entire 
cache in main memory.  Use "ps" and make sure the RSS is close to the SZ 
column.

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***