== sanity test 398n: test append with parallel DIO ======= 04:07:15 (1790928435) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 4.60962 s, 14.6 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 5.31117 s, 12.6 MB/s