Persistence vs SH scheduler

[Christian Bronk]

Hi,


Martijn Grendelman wrote:
> Hi,
> 
> I was justing browsing the HOWTO, when I stumbled upon this recent piece
> of text:
> 
> 
> Apr 2006: No-one has tried this, but it seems that the -SH scheduler
> could replace persistence without the failover problems of persistence.
> The -SH scheduler schedules according to the client IP, meaning that all
> of a client's connection requests will be sent to the same IP. The -SH
> scheduler has been around for a while, but it seems that no-one has
> known what it did.
> 
> 
> When I first started to toy around with LVS, I did just what is written
> here: i tried to use the SH scheduler for "session affinity" at L7.

I´m sorry, but as long as you want AOL customers on your site, you will need single session server for your cluster
(any sort of database will do). Every request from AOL comes from an different proxy-IP and even setting a persitence-netmask will not fix that.


best regard,

Christian