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Re: connection between MySQL and Apache LVS-NAT

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: connection between MySQL and Apache LVS-NAT
From: Horms <horms@xxxxxxxxxxxx>
Date: Wed, 3 Sep 2003 20:39:37 +0900
On Wed, Sep 03, 2003 at 12:55:52PM +0200, francois mounier wrote:
> Hi, 
> 
> I have tried it and its working...
> Next I will try before asking questions...
> 
> 
> I have a question about arp request...
> Here my configuration
> 
> On the director Debian Woody 3.0r1_hppa with the 2.4.21 kernel patched
> with the ipvs patch
> my director eth0:192.168.1.1 and eth0:2 192.168.2.1
> so two different networks

It works on HPPA! Excellent!

> my realservers Debian Woody 3.0r1_hppa standard I mean no patch on the
> kernel
> 
> All my computers are old HP 712/60 so quite slow....
> 
> My question is that i have read (understood) in the mini-HOWTO  that
> for my configuration 
> 
> "Linux 2.2.x,2.4.x: LVS-NAT - no modification to realserver".
> 
> But I was wondering why is that, when I run ipvsadm on my director its
> very slow to output the ipvsadm table (one or two minutes). I have 5
> realserver with httpd in load-balancing....

Most likely this is an issue with ipvsadm resolving the ipadresses
of your real servers. I.e. they aren't in DNS, /etc/hosts or whatever.

Try ipvsadm -n ...

This should avoid the resolution requests.

-- 
Horms
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