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Dieter Maurer wrote:
>> You have that point-of-failure anyway if you are using the RAM-based
>> sessions provided by Zope's core sessioning. If availability is
>> important to you, then you *need* to be using ZEO and a load balancer,
>> at which point you also have to look at a more scalable / available
>> sessioning solution.
> We are using ZEO, a load balancer and nevertheless have sessions in RAM.
> True, it is less safe than with persistent sessions -- but it
> is also more efficient.
> We do this by ensuring that independent of the load balancer's choice
> a request for a given session goes to that Zope instance that has this
Then you have the problem the orignal poster was trying to avoid: you
can't restart an appserver without losing session data for some users.
Externalizing the session storage removes the appserver as a
point-of-failure for user sessions.
Tres Seaver +1 202-558-7113 [EMAIL PROTECTED]
Palladion Software "Excellence by Design" http://palladion.com
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