== sanity test 398n: test append with parallel DIO ======= 12:14:19 (1761322459) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 1.52755 s, 43.9 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 0.551772 s, 122 MB/s