Torsten Schlabach wrote:

it seems quite a few people are unaware that there is a significant
difference between load balancing and clustering.

Will load-balancing work for authoring?


Hardly, I rather doubt it.

First, it depends if the load-balancer is sticky or not.
Second also the locks re writing needs to be centralized and content itself.
Third, I am sure there are more issues.

Will it work for anything which
depends on a user session such as continuations, for example?

No, because sessions are not being replicated. Let's say you order something
and the server goes down, your session will be gone and you will be very unhappy ;-)

The more Lenya goes into the "Applications Area" the more necessary clustering
becomes. And Lenya needs to head into this direction to stay competitive.

Michi

Regards,
Torsten

it's not going to be rare, but rather essential in the near future
it seems quite a few people are unaware that there is a significant
difference between load balancing and clustering. while i agree that
load balancing is a good thing to have (and can already be done, for
instance with the techniques outlined in
http://wiki.apache.org/cocoon/LoadBalancingWithModProxy), the need for
clustering is far less certain.


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--
Michael Wechner
Wyona      -   Open Source Content Management   -    Apache Lenya
http://www.wyona.com                      http://lenya.apache.org
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