== sanity test 398n: test append with parallel DIO ======= 16:03:45 (1787861025) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 4.65696 s, 14.4 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 5.74048 s, 11.7 MB/s