== sanity test 398n: test append with parallel DIO ======= 18:33:08 (1787869988)
8+0 records in
8+0 records out
67108864 bytes (67 MB, 64 MiB) copied, 4.68417 s, 14.3 MB/s
8+0 records in
8+0 records out
67108864 bytes (67 MB, 64 MiB) copied, 5.94851 s, 11.3 MB/s