== sanity test 398n: test append with parallel DIO ======= 12:59:46 (1713373186) 8+0 records in 8+0 records out 67108864 bytes (67 MB) copied, 2.12802 s, 31.5 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB) copied, 1.25192 s, 53.6 MB/s