== sanity test 398n: test append with parallel DIO ======= 12:19:15 (1790957955) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 3.82173 s, 17.6 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 5.69969 s, 11.8 MB/s