[lvs-users] load balancer IP limit?

Joseph Mack NA3T jmack at wm7d.net
Thu Oct 23 00:28:39 BST 2008


On Wed, 22 Oct 2008, Steve Haneman wrote:

>    for (my $x=11; $x <= 111; $x++)
>    {
>            system("/sbin/ipvsadm -A -t 172.16.16.$x:443 -p 1500 -s rr");
>            system("/sbin/ipvsadm -a -t 172.16.16.$x:443 -r 192.168.253.$x:443 -m -w 1");
>            system("/sbin/ipvsadm -a -t 172.16.16.$x:443 -r 192.168.252.$x:443 -m -w 1");
>    }
>
> I'm finding that 4% of the time the sessions are not 
> sticky.  A user/password web POST goes to one server and a 
> followup POST ends up at the other server.

how long between the two posts? More than 1500? more that 
the lvs tcp timeouts?

Joe

-- 
Joseph Mack NA3T EME(B,D), FM05lw North Carolina
jmack (at) wm7d (dot) net - azimuthal equidistant map
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