== sanity test 398n: test append with parallel DIO ======= 23:50:32 (1790394632) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 2.15643 s, 31.1 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 2.65525 s, 25.3 MB/s