Re: Slow (Delayed) CGI request

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John McGowan wrote:
On Sun, Sep 21, 2008 at 12:32 PM, André Warnier <aw@xxxxxxxxxx> wrote:
John McGowan wrote:
[...]
If you get a command window on the server where the Apache server runs, and
issue a "nslookup ..." with the IP address of your workstation, what happens
?

Then, *if* you get a delay, what does the file /etc/resolv.conf contain ?

(As a matter of fact, when you connect to the server via SSH, does it also
take some time before you get the first prompt ?)
Just checking..

I wish it did...  I've seen issues like that in the past and knew how
to solve them.

This problem, while similar in appearance, doesn't seem to be DNS
related.  I didn't see any unexpected DNS queries when looking at the
tcpdump...

I've just gotten a different server on the network, that wasn't part
of the cluster of apache servers, to execute the cgi scripts quickly.
that server uses the same DNS infrastructure as the other servers.

I'm at a total loss here...

I know i'm not giving much to go on here... I was just hoping that
there was some common mistake i was making.

Let's try to be logical here.
It's not DNS-related.
It happens on all the servers of that cluster, but not on a server outside the cluster. Don't remember if you said that before, but is it a *new* issue ? new in the sense that you already had cgi-bin programs before, and they were fast, and now suddenly they are slow ? Or did you not have cgi programs on those servers before, and is this your first try ?

By the look of the above, it must be some element common to the servers of the cluster. If it is not DNS... - is it some common network directory on which this (these) cgi-bins are located ?
- do the servers all share the majority of their httpd.conf settings ?
if yes, can you post one such httpd.conf ?
- apart from "Allow from..", do those servers all share some common authentication scheme, maybe "inherited" without your knowledge by the cgi-bin directory ?
- are the scripts you are testing all perl ?
- if yes, do you use mod_perl ?

running out of questions for now.



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