I've got about 120K objects in my plone site, and I need to migrate from AT 1.3 alpha to the latest AT. I tried it last night, and the first step, migrating schemas, took all night. There is still the catalogs and references to migrate.
I was quite conservative with transactions. I was doing a full transaction every 250 objects.
Any suggestions on numbers to use for subtransactions and full ones? My box has 3GB RAM and a fast P4 CPU.
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