== sanity test 398n: test append with parallel DIO ======= 05:00:18 (1781686818)
8+0 records in
8+0 records out
67108864 bytes (67 MB, 64 MiB) copied, 3.16192 s, 21.2 MB/s
8+0 records in
8+0 records out
67108864 bytes (67 MB, 64 MiB) copied, 3.60072 s, 18.6 MB/s