== sanity test 398n: test append with parallel DIO ======= 19:52:49 (1787788369) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 3.32336 s, 20.2 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 4.3015 s, 15.6 MB/s