== sanity test 184c: Concurrent write and layout swap ==== 04:40:23 (1781253623)
39+0 records in
39+0 records out
40894464 bytes (41 MB, 39 MiB) copied, 5.58431 s, 7.3 MB/s
69+0 records in
69+0 records out
72351744 bytes (72 MB, 69 MiB) copied, 15.2936 s, 4.7 MB/s
ref file size: ref1(40894464), ref2(72351744)
2496+0 records in
2496+0 records out
40894464 bytes (41 MB, 39 MiB) copied, 12.9156 s, 3.2 MB/s
Copied 294912 bytes before swapping layout...