== sanity test 184c: Concurrent write and layout swap ==== 00:28:04 (1787718484)
68+0 records in
68+0 records out
71303168 bytes (71 MB, 68 MiB) copied, 8.63156 s, 8.3 MB/s
69+0 records in
69+0 records out
72351744 bytes (72 MB, 69 MiB) copied, 8.52856 s, 8.5 MB/s
ref file size: ref1(71303168), ref2(72351744)
4352+0 records in
4352+0 records out
71303168 bytes (71 MB, 68 MiB) copied, 17.9407 s, 4.0 MB/s
Copied 655360 bytes before swapping layout...