== sanity test 398n: test append with parallel DIO ======= 18:59:01 (1787871541) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 3.50647 s, 19.1 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 4.69272 s, 14.3 MB/s