Hi,
Andre, Danny's first approach is about "syncing" only on the root
object, so that every piece of data is behind one deref:
(def root (ref {:persons [ ... no other refs here... ]))
This approach is simpler to code but can lead to a lot of retried
transactions under heavy concurrent load, as I understand.
What about making all derefs that you need inside one transaction?
There are words somewhere in docs that you need dosync if you perform
a few reads that must be consistent. I think this is what you need.
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