== sanity test 398n: test append with parallel DIO ======= 12:02:47 (1789142567) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 3.80795 s, 17.6 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 4.59179 s, 14.6 MB/s