== sanity test 398n: test append with parallel DIO ======= 16:45:56 (1789677956) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 5.10935 s, 13.1 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 7.58781 s, 8.8 MB/s