== sanity test 184c: Concurrent write and layout swap ==== 01:06:56 (1763359616)
40+0 records in
40+0 records out
41943040 bytes (42 MB, 40 MiB) copied, 3.18028 s, 13.2 MB/s
34+0 records in
34+0 records out
35651584 bytes (36 MB, 34 MiB) copied, 2.70875 s, 13.2 MB/s
ref file size: ref1(41943040), ref2(35651584)
2560+0 records in
2560+0 records out
41943040 bytes (42 MB, 40 MiB) copied, 5.3905 s, 7.8 MB/s
Copied 1097728 bytes before swapping layout...