Stephan Richter wrote at 2006-12-29 12:18 -0500: >On Friday 29 December 2006 11:26, Tino Wildenhain wrote: >> Stefan H. Holek schrieb: >> > Do we have a history-less (i.e. no-grow) FileStorage? >> >> How do you think it should work? I mean, technically >> in theory? How would you implement MVCC? > >Well, it is basically a "pack" after each write access. I do not know exactely >how pack works, but I would hope it leaves the DB file in a good state at all >times.
It does. But packing is performed by copying the content to a new file thereby omitting things no longer needed. You would not want such an operation after every write -- at least not for a somewhat larger storage. -- Dieter _______________________________________________ For more information about ZODB, see the ZODB Wiki: http://www.zope.org/Wikis/ZODB/ ZODB-Dev mailing list - ZODB-Dev@zope.org http://mail.zope.org/mailman/listinfo/zodb-dev