== sanity test 398n: test append with parallel DIO ======= 00:42:09 (1788842529) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 3.71168 s, 18.1 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 5.22873 s, 12.8 MB/s