[Zope] Re: ZEO and session variables.

[Tres Seaver]

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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

Tres
- --
===============================================================
Tres Seaver                                tseaver at zope.com
Zope Corporation      "Zope Dealers"       http://www.zope.com
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