MySQL and DNS can be such a fun issue because it comes
suddenly and leaves just as suddenly with --skip-name-resolve.
For in-depth info on how MySQL uses DNS, and info about
this potential DNS-related bug: http://codenode.com/mysql/dns
From: Ben Clewett [mailto:ben@stripped]
Sent: Friday, July 29, 2005 8:59 AM
Subject: Re: Complete server lock
> I noticed, on my Linux server, that MySQL makes a DNS lookup anyway.
> Even if the IP is used or not. It normally digs on the PTR record. I
> all of my perms IP based, however, it still looked at the PTR record.
> the time I hadn't set any up in my DNS server. After I added all the
> records of the clients that were connecting to the server, it was fast
> ...Something to think about...
James, I think you've found the problem. For the benefit of us novices,
what is the PTR record? After which I can add this to my /etc/hosts,
which should help.
If there is anybody who knows how to build a DNS clean MySQL, I would be
very interested in knowing.
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