== sanity test 398n: test append with parallel DIO ======= 10:06:59 (1747404419) 8+0 records in 8+0 records out 67108864 bytes (67 MB) copied, 0.888465 s, 75.5 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB) copied, 0.408924 s, 164 MB/s