== sanity test 398n: test append with parallel DIO ======= 10:48:08 (1790952488) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 5.21548 s, 12.9 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 7.4185 s, 9.0 MB/s