== sanity test 398n: test append with parallel DIO ======= 00:12:49 (1786421569) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 5.54911 s, 12.1 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 6.59686 s, 10.2 MB/s