== sanity test 398n: test append with parallel DIO ======= 15:50:56 (1787860256) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 4.15155 s, 16.2 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 5.31799 s, 12.6 MB/s