== sanity test 398n: test append with parallel DIO ======= 08:57:33 (1789131453) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 5.17335 s, 13.0 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 6.97264 s, 9.6 MB/s