== sanity test 398n: test append with parallel DIO ======= 10:21:35 (1790778095) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 4.6636 s, 14.4 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 5.76193 s, 11.6 MB/s