Note: consider this post as a continuation of the "Making it interactive" post by Orri Erling.
I have now completed the Virtuoso TPC-H work, including scale out. Optimization possibilities extend to infinity but the present level is good enough. TPC-H is the classic of all analytics benchmarks and is difficult enough, I have extensive commentary on this on my blog (In Hoc Signo Vinces series), including experimental results. This is, as it were, the cornerstone of the true science. This is however not the totality of it. From the LDBC angle, we might liken this to the last camp before attempting a mountain peak.