== sanity test 398n: test append with parallel DIO ======= 02:03:32 (1789711412) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 1.67277 s, 40.1 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 2.09992 s, 32.0 MB/s