filename: 500
hash function: rt_ab
total buckets:       65536
total tuples:        10020 (15.29%)
used buckets:        8540 (13.03%)
maximum list length: 2
average list length: 1.17
hash cost per tuple: 49 cyc, 99 ns, 10 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
1480	2	29.54%
7060	1	100.00%
56996	0	100.00%