== sanity test 184c: Concurrent write and layout swap ==== 05:16:41 (1780391801) 62+0 records in 62+0 records out 65011712 bytes (65 MB, 62 MiB) copied, 3.34219 s, 19.5 MB/s 30+0 records in 30+0 records out 31457280 bytes (31 MB, 30 MiB) copied, 1.5503 s, 20.3 MB/s ref file size: ref1(65011712), ref2(31457280) 3968+0 records in 3968+0 records out 65011712 bytes (65 MB, 62 MiB) copied, 6.2124 s, 10.5 MB/s Copied 1392640 bytes before swapping layout...