== sanity test 184c: Concurrent write and layout swap ==== 09:32:14 (1773667934)
64+0 records in
64+0 records out
67108864 bytes (67 MB, 64 MiB) copied, 3.93042 s, 17.1 MB/s
52+0 records in
52+0 records out
54525952 bytes (55 MB, 52 MiB) copied, 3.13087 s, 17.4 MB/s
ref file size: ref1(67108864), ref2(54525952)
4096+0 records in
4096+0 records out
67108864 bytes (67 MB, 64 MiB) copied, 6.65361 s, 10.1 MB/s
Copied 1359872 bytes before swapping layout...