Rejigged the link from the child node to the parent to point from the child node (rather than child node version). This restricts us to a de…
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Rejigged the link from the child node to the parent to point from the child node (rather than child node version). This restricts us to a design where we always create new nodes for new versions of a parent. Also made the lookup of child nodes manual (rather than loaded automatically by hibernate). Doesn't use lazy loading - goes direct to database to find node. Not so nice. But the changes have almost doubled the throughput in my testing.
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