Setting up a Root name server

Barry Margolin barmar at bbnplanet.com
Mon Sep 6 22:23:59 UTC 1999


In article <37D40440.57406722 at megabytecoffee.com>,
chris  <chris at megabytecoffee.com> wrote:
>I only disagree when experts when they tell me that something can't be done that
>I'm sure can be.

No one said it can't be done, and it's pretty obvious that it *will* speed
things up (not recursing has to be faster than recursing), assuming you put
enough RAM in your server.  What we're saying is that the speedup won't be
as enormous as you seem to expect, so it's not worth doing.  The DNS
caching architecture was specifically designed to make such a configuration
unnecessary -- your server will usually have all the delegation records
that it needs.

I remember a few years ago people were predicting that virtual memory would
soon be a thing of the past.  RAM was getting so cheap that we could simply
load everything into memory and not bother with paging.  But disk is still
cheaper than RAM, and as long as RAM is large enough for the typical
working set you hardly notice the performance impact of paging.  So VM has
been *added* to personal computer OS's that didn't used to have it.

-- 
Barry Margolin, barmar at bbnplanet.com
GTE Internetworking, Powered by BBN, Burlington, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
Please DON'T copy followups to me -- I'll assume it wasn't posted to the group.


More information about the bind-users mailing list