== sanity test 184c: Concurrent write and layout swap ==== 08:12:47 (1789474367)
20+0 records in
20+0 records out
20971520 bytes (21 MB, 20 MiB) copied, 2.4236 s, 8.7 MB/s
34+0 records in
34+0 records out
35651584 bytes (36 MB, 34 MiB) copied, 4.13622 s, 8.6 MB/s
ref file size: ref1(20971520), ref2(35651584)
1280+0 records in
1280+0 records out
20971520 bytes (21 MB, 20 MiB) copied, 4.69989 s, 4.5 MB/s
Copied 704512 bytes before swapping layout...