== sanity test 398n: test append with parallel DIO ======= 22:06:46 (1789783606) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 4.63792 s, 14.5 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 5.05768 s, 13.3 MB/s