== sanity test 398n: test append with parallel DIO ======= 08:38:03 (1787834283) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 4.48001 s, 15.0 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 5.72962 s, 11.7 MB/s