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From: Mike -- EMAIL IGNORED <m_d_berger_1900@yahoo.com>
Date: Tue, 4 Aug 2009 21:38:11 +0000 (UTC)
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Subject: [users@httpd]  Re: excessive dns slows httpd

On Tue, 04 Aug 2009 14:33:12 -0400, Mark H. Wood wrote:

> Local DNS cache of some sort on the Fedora box?  Some of my hosts run
> 'nscd' (which comes with glibc) and some run BIND in cache-only mode.

Indeed there are two problems, and you nailed one of them:

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 was probably incorrect.
   When I tried it for the first time this morning, the box
   that previously been fast was now slow.  No doubt, the
   nscd storage had timed out.

Thanks for your help.

Mike


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