[OGo-Users] ogo session information handling

Adam Tauno Williams users@opengroupware.org
Mon, 03 Mar 2008 09:35:13 -0500


On Sun, 2008-03-02 at 10:05 +0100, Sebastian Reitenbach wrote:
> users@opengroupware.org wrote: 
> > On 01.03.2008, at 08:00, Sebastian Reitenbach wrote:
> > > As I am running OpenBSD, I doubt that I get the snsd for it, and  
> > > especially not for free ;)
> > Well, its not perfect, but a frontend Pound or mod_proxy with sticky  
> > session-ids are close to what snsd provides. (snsd gets directly  
> > notified by instances if they go up or down, but thats more for QoS,  
> > ie snsd knows better about the state of instances).
> thanks for that hint regarding mod_proxy, I'll take a look. Also thanks for 

There was a post about that 
http://mail.opengroupware.org/pipermail/users/2005-January/012468.html

The post isn't perfect but it serves as a starting point;  I've been
meaning to add information about that to WMOGAG.  It is roughly the same
concept as
http://www.johnandcailin.com/blog/john/scaling-drupal-step-two-sticky-load-balancing-apache-mod_proxy


> the explanation about how snsd is working in the other mail. I see it has 
> more knowledge about the availability of instances. I'll take a look into it 
> if I do not get the relayd/hoststated working. This one measures response 
> times of the instances too, when deciding where to send a client, so it 
> recognizes if a particular instance is down. I think, mod_proxy won't do.
> But I'm still fiddling around, getting one session sticking to a particular 
> instance.