== sanity test 184c: Concurrent write and layout swap ==== 00:55:02 (1775883302)
61+0 records in
61+0 records out
63963136 bytes (64 MB, 61 MiB) copied, 3.01358 s, 21.2 MB/s
39+0 records in
39+0 records out
40894464 bytes (41 MB, 39 MiB) copied, 1.87528 s, 21.8 MB/s
ref file size: ref1(63963136), ref2(40894464)
3904+0 records in
3904+0 records out
63963136 bytes (64 MB, 61 MiB) copied, 5.94013 s, 10.8 MB/s
Copied 1310720 bytes before swapping layout...