== sanity test 398n: test append with parallel DIO ======= 18:41:01 (1780526461)
8+0 records in
8+0 records out
67108864 bytes (67 MB, 64 MiB) copied, 2.39162 s, 28.1 MB/s
8+0 records in
8+0 records out
67108864 bytes (67 MB, 64 MiB) copied, 3.15724 s, 21.3 MB/s