filename: 500
hash function: crc32_bof
hash seed 0x1c7f1d2d
total buckets:       131072
total tuples:        10020 (7.64%)
used buckets:        9831 (7.50%)
maximum list length: 2
average list length: 1.02
hash cost per tuple: 93 cyc, 187 ns, 5 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
189	2	3.77%
9642	1	100.00%
121241	0	100.00%