David Chandek-Stark wrote at 2005-5-12 15:31 -0400: >Dieter Maurer wrote: >>>Symptom: >>> When a new item is added to the RSS feed (b/c a news item was >>>published), my ZPT displays the RSS data inconsistently with each >>>browser refresh -- sometimes the new item appears, sometimes not. >> >> >> A bug in "RDFSummary" which uses a ZODB cache to maintain >> the fetched items. >> Unfortunately, each connection has its own independent ZODB cache.... >> >> Using a ZODB cache for this use case is both inefficient >> and error prone. >> >> You should contact the "RDFSummary" authors. >> > >As mentioned in the original post, I am now using CMFSin and having the >smae problem. Are you saying that this is an issue with the design of >the product?
I am saying what I said: "RDFSummary" caches with "_v_" variables i.e. it uses a ZODB cache and ZODB caches are difficult to synchronize between workers. This easily leads to such inconsistencies as you have described them. Other products may make the same error. I do not know "CMFSin". Therefore, I cannot tell you that it does. But, it you see what you had described, there is a not so small chance ... -- Dieter _______________________________________________ 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 )