Based on what I know of the tool, here's my guess: it finds that the transaction IDs are numeric in the beginning and then JIT compiles an aggregator to handle them as numbers, but then later on they change to hex-codes and break things.
Based on what I know of the tool, here's my guess: it finds that the transaction IDs are numeric in the beginning and then JIT compiles an aggregator to handle them as numbers, but then later on they change to hex-codes and break things.