Hi Knut Anders, I got a chance to read through your performance
analysis and it was very interesting. Very thorough and
detailed. Thanks for putting it together! This project seems to
be making great progress! However, respectfully, it seems that:
> The patch fixes the failure in unit/T_RawStoreFactory.unit.
may be a bit of an overstatement given that: > The failure in
T_RawStoreFactory is still a mystery to me. I don't have much
guidance to offer here, but I encourage you to take the time to
pursue this topic, as I think there is something deep here and
worth understanding, and given that you had come across a solid
and reproducible case, the opportunity is here. > since I see
the same failure if I change the scan direction in > the old
buffer manager, I'm confident that the buffer manager is not the
problem. In my limited experience with DBMS buffer managers in
general, I've found that they can have some extremely subtle
bugs, and it's hard to figure out how to tell when the buffer
manager is or is not part