== sanity test 101b: check stride-io mode read-ahead =========================================================================== 17:08:13 (1718399293)

0.194141s, 43.2088MB/s
Read-ahead success for size 8192

0.131512s, 63.7859MB/s
Read-ahead success for size 16384

0.151144s, 55.5008MB/s
Read-ahead success for size 32768

0.151985s, 55.1937MB/s
Read-ahead success for size 65536

0.160888s, 52.1394MB/s
Read-ahead success for size 131072

0.159853s, 52.477MB/s
Read-ahead success for size 262144

0.135315s, 61.9932MB/s
Read-ahead success for size 524288

0.153429s, 54.6742MB/s
Read-ahead success for size 1048576