=?iso-8859-1?Q?Juan_Carlos_Coru=F1a?= writes: > After using an external data container te problem appears aprox. 1%. > Maybe it's a problem related to ConflictErrors in the ZODB? I obtain = > ConflictErrors in the zope debug log. We have seen similar problems with FSSession, when the same session is concurrently accessed by several frames from a frameset. Dieter