== sanity test 184c: Concurrent write and layout swap ==== 01:02:04 (1775883724)
20+0 records in
20+0 records out
20971520 bytes (21 MB, 20 MiB) copied, 1.05487 s, 19.9 MB/s
39+0 records in
39+0 records out
40894464 bytes (41 MB, 39 MiB) copied, 2.18804 s, 18.7 MB/s
ref file size: ref1(20971520), ref2(40894464)
1280+0 records in
1280+0 records out
20971520 bytes (21 MB, 20 MiB) copied, 1.88424 s, 11.1 MB/s
Copied 1294336 bytes before swapping layout...