== sanity test 398n: test append with parallel DIO ======= 07:23:26 (1789125806) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 3.65147 s, 18.4 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 4.79986 s, 14.0 MB/s