== sanity test 184c: Concurrent write and layout swap ==== 22:21:00 (1755051660)
39+0 records in
39+0 records out
40894464 bytes (41 MB, 39 MiB) copied, 3.03968 s, 13.5 MB/s
68+0 records in
68+0 records out
71303168 bytes (71 MB, 68 MiB) copied, 6.10051 s, 11.7 MB/s
ref file size: ref1(40894464), ref2(71303168)
2496+0 records in
2496+0 records out
40894464 bytes (41 MB, 39 MiB) copied, 8.66543 s, 4.7 MB/s
Copied 442368 bytes before swapping layout...