[ZODB-Dev] packing ZODB

[Adam GROSZER]

Hello,

After investigating FileStorage a bit, I found that GC runs on objects, 
but pack later by transactions. That means that if there's a bigger-ish 
transaction, we can't get rid of it until all of it's objects are GCed 
(or superseeded by newer states).

Is that correct? I think yes, so an idea might be to split up 
transactions to one transaction per object state somehow and pack again. 
This would definitely work only offline of course.

How is this handled by relstorage?

-- 
Best regards,
  Adam GROSZER
--
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