Optimize BSON & GC handling. #144
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This code gets called repeatedly, so it’s worth optimizing. This also optimizes the field-names uniqueness check.
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Unmarshaling is slow due to reflection. This function gets called frequently enough to justify the optimization.
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This makes the document IDs easier to reason about and sets up further optimizations. It also adds a few “shortcut” utilities to marshal/unmarshal BSON without reflection.
This fixes a typo that caused more recheck batches than was intended. It’s merely a small performance fix; it does not impact correctness.
This minimizes GC overhead, especially from BSON marshaling.
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This PR contains several commits that optimize various aspects of BSON handling & garbage-collection.
The commits will be preserved in the merge. Review should consider each individually.