== sanity test 398n: test append with parallel DIO ======= 14:22:29 (1787854949) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 3.74287 s, 17.9 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 4.70293 s, 14.3 MB/s