== sanity test 398n: test append with parallel DIO ======= 04:11:02 (1789459862) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 4.40313 s, 15.2 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 4.85902 s, 13.8 MB/s