== sanity test 398n: test append with parallel DIO ======= 11:00:28 (1760454028)
8+0 records in
8+0 records out
67108864 bytes (67 MB, 64 MiB) copied, 1.19433 s, 56.2 MB/s
8+0 records in
8+0 records out
67108864 bytes (67 MB, 64 MiB) copied, 0.268174 s, 250 MB/s