[TASK] Investigation query96 slowness on Spark353/Delta 3.3.0

[razajafri]

When we ran nds benchmarks on Delta with scale factor 3k we found a regression

Name = query96
--
Means = 16932.6, 36346.4
Time diff = -19413.800000000003
Speedup = 0.4658673211102062
T-Test (test statistic, p value, df) = -29.462838405674567, 1.9084353438074023e-09, 8.0
T-Test Confidence Interval = -20933.283712339424, -17894.316287660582
ALERT: significant change has been detected (p-value < 0.05)
ALERT: regression in performance has been observed

This needs further investigation.