On Thu, Mar 3, 2011 at 9:28 AM, Christoph Zwerschke <c...@online.de> wrote:
> IMHO the most simple solution would be to keep a "dirty flag" (set > whenever __setitem__ or __delitem__ is called for the session) and then > save the session only when the dirty flag has been set. This will also > be good for performance. We could also add an AppConfig setting for > manual saving (False by default to maintain backward compatibility). In > this case, the dirty flag would not be set automatically, but by calling > a save() method on the session. > > But I'm already seeing a problem with that approach: Since the > lastAccessTime is stored along with the session, it will not get updated > if the session is not saved, so the session will expire too early if the > user does not do anything that alters the session. > I kind of don't care if the lastAccessTime isn't updated in this session saving "mode". We use very long session expiry times so if a "read only" user had to relogin a little more frequently I don't think it would be an issue that anyone would notice. Also for our system at some point they will perform an action that modifies the session. Since this is a new feature which Webware users would have to turn on I'd recommend we do "the simplest thing that works" and provide a new config setting for Sessions that takes multiple values: "EveryRequest" - default and current functionality "WhenChanged" - only saves when add/delete has been called Best Regards, Steve
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