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Compaction and trace wrappers do not compose. #242
As discussed in #234, the combination of timestamp manipulating trace wrappers and compaction interact badly, in that a trace wrapper may inaccurately summarize frontiers back to the wrapped trace, resulting in the re-wrapped timestamps being farther forward than correctness allows.
In the particular example there, the
A bit of light thinking suggests that this is not a problem for the product order wrapper, but some more formalism is clearly needed here.