filename: 500
hash function: rt_ab
total buckets:       131101
total tuples:        10020 (7.64%)
used buckets:        9400 (7.17%)
maximum list length: 3
average list length: 1.07
hash cost per tuple: 49 cyc, 98 ns, 10 Mhz on 498 Mhz CPU (INNER)
Count	Length	CT
12	3	0.36%
596	2	12.26%
8792	1	100.00%
121701	0	100.00%