Hi Paul, Thank you. And, yes, I saw Chris' posting, but I don't think that's the right solution for us. A fast shared session variable store seems to me to be a better way to go and a whole lot more fail safe.
On Tue, 3 May 2005, Paul Winkler wrote: > On Tue, May 03, 2005 at 05:14:56PM -0400, Tres Seaver wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA1 > > > > Dennis Allison wrote: > > > I am just setting up a multi-headed distributed system with several Zope > > > heads all communications with a ZEO backend. The zopes can be on the same > > > machine or on different machines connected through a high speed backbone. > > > > > > In our system, all zopes are frontended with pound. > > > > > > zope1 > > > | > > > zope2----- ZEO-----zope3 > > > | > > > zope4 > > > > > > We make heavy use of session variables. Normally, with a single Zope > > > session variables are stored in a temporary folder, but, as such, they are > > > are not shared between the zope heads. In the multiheaded system, the > > > session variables need to be shared and therefore must be managed by > > > ZEO. What is the recommended best practice for this? > > > > Richard Jones recently released a SQL-based sessioning implementation: > > > > http://www.zope.org/Members/richard/ZSQLSessionDataManager > > Or you could look through today's messages to this list, where > I recall Chris McDonough mentioned using pound to force sessions > to stick to a ZEO client. That's appealingly simple; the obvious > drawback is that the session would be lost if the ZEO client restarts. > Presumably details can be found in the pound docs. > > -- Dennis Allison * Computer Systems Laboratory * Gates 227 * Stanford University * Stanford CA 94305 * (650) 723-9213 * (650) 723-0033 fax * [EMAIL PROTECTED] * [EMAIL PROTECTED] _______________________________________________ Zope maillist - Zope@zope.org http://mail.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope-dev )