== sanity test 398n: test append with parallel DIO ======= 20:44:01 (1787445841)
8+0 records in
8+0 records out
67108864 bytes (67 MB, 64 MiB) copied, 5.22335 s, 12.8 MB/s
8+0 records in
8+0 records out
67108864 bytes (67 MB, 64 MiB) copied, 6.68043 s, 10.0 MB/s