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Re: Persistance and LVS

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: Persistance and LVS
From: Andrea Cerrito <is@xxxxxxxxxxxxxxx>
Date: Thu, 29 Apr 2004 15:22:34 +0200
On Thu, 2004-04-29 at 14:16, Joseph Mack wrote:
> Malcolm Turnbull wrote:
> > 
> 
> > I would think it would be fine, 1 GB should handle almost 8 million
> > connections in the timeout period i.e. 60 mins (or 2mins with no
> > persistence) Some one clever might correct me on that but I think its true.
> 
> isn't lack of ports the real problem with this number of connections?
> 
> To have 8 million concurrent connections through a director to realservers
> that only have 64k ports, you'd need 128 realservers?

Does it help to play with /proc/sys/net/ipv4/ip_conntrack_max?
I mean, is it possible to increment over 65535 this value?

And what about /proc/sys/net/ipv4/tcp_rmem and
/proc/sys/net/ipv4/tcp_wmem?

I'm trying to understand the upper limits of a LVS director with
LVS-NAT.
-- 
Enjoy your freedom

Andrea Cerrito
http://www.gentestrana.net/
Linux User #103564

=== (17:57:49) Nietzsche: "niente è quello che sembra"

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