filename: 500
hash function: crc32_bof
hash seed 0x1c7f1d2d
total buckets:       65535
total tuples:        10020 (15.29%)
used buckets:        9356 (14.28%)
maximum list length: 3
average list length: 1.07
hash cost per tuple: 94 cyc, 191 ns, 5 Mhz on 497 Mhz CPU (INNER)
Count	Length	CT
26	3	0.78%
612	2	12.99%
8718	1	100.00%
56179	0	100.00%