On Tue, 04 Aug 2009 17:23:04 -0500, Les Mikesell wrote:
> Mike -- EMAIL IGNORED wrote:
>> On Tue, 04 Aug 2009 21:31:22 +0200, Kai Schaetzl wrote:
>>
[...]
>>
>> Until now, for a long time, mine wasn't doing it either.
>>
>> Part of the problem was suggested by someone on the Apache group; there
>> are two problems:
>>
>> 1. Both boxes have nscd, but it was not running on the CentOS
>> box. Now that I fixed that, all but the first connection are rapid,
>> as you might expect.
>>
>> 2. We still do not why the change in httpd.conf caused the
>> problem to appear. However, my belief that there was a difference
>> between the two machines is accounted for by the difference in
>> /etc/init.d/nscd . When I tried it for the first time this morning,
>> the box that previously been fast was slow. No doubt, the nscd
>> storage had timed out.
>>
>> Except that nscd was not set to run, it is probably not specifically a
>> CentOS problem. Perhaps I made a wrong choice in setup?
>
> If I really want to know what is different between two boxes, I'll do
> something like NFS mount one into the other or rsync their /etc trees
> somewhere on a common host and let diff -r walk through them.
As indicated above, I already know the difference between the two boxes.
>
> Are you sure this isn't as simple as having (and using, check your
> resolv.conf) a caching name server running on one box so most lookups
> are resolved locally while the other is making the query to something
> slow?
resolve.config is the same on the two boxes.
Mike.
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