== sanity test 398n: test append with parallel DIO ======= 12:41:34 (1790786494) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 4.23148 s, 15.9 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 5.8529 s, 11.5 MB/s