[Mimedefang] 40K+ emails a day and choking update
-ray
ray at ops.selu.edu
Wed Jan 11 02:23:59 EST 2006
On Tue, 10 Jan 2006, David F. Skoll wrote:
>> A caching DNS server running on the same box can help?
>
> Maybe. A caching server still has to do the initial lookups, and
> if the cache miss rate is high enough, you'll still have problems.
> But in general, a caching server is a good idea.
What if your DNS servers are in the same rack, on the same switch as mail
servers. Network latency is <200 usecs. In that case is there much
advantage to a caching server on the same box as mail?
ray
--
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Ray DeJean http://www.r-a-y.org
Systems Engineer Southeastern Louisiana University
IBM Certified Specialist AIX Administration, AIX Support
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