== sanity test 398n: test append with parallel DIO ======= 04:02:53 (1778659373) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 4.71299 s, 14.2 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 5.30892 s, 12.6 MB/s