== sanity test 398n: test append with parallel DIO ======= 04:20:45 (1780388445)
8+0 records in
8+0 records out
67108864 bytes (67 MB, 64 MiB) copied, 1.55668 s, 43.1 MB/s
8+0 records in
8+0 records out
67108864 bytes (67 MB, 64 MiB) copied, 1.77926 s, 37.7 MB/s