== sanity test 398n: test append with parallel DIO ======= 09:53:37 (1787752417) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 5.31305 s, 12.6 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 5.05059 s, 13.3 MB/s