== sanity test 398n: test append with parallel DIO ======= 13:48:09 (1787852889) 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 5.27867 s, 12.7 MB/s 8+0 records in 8+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 7.4457 s, 9.0 MB/s