== sanity test 184c: Concurrent write and layout swap ==== 04:21:38 (1747815698)
56+0 records in
56+0 records out
58720256 bytes (59 MB) copied, 3.98055 s, 14.8 MB/s
47+0 records in
47+0 records out
49283072 bytes (49 MB) copied, 2.64906 s, 18.6 MB/s
ref file size: ref1(58720256), ref2(49283072)
3584+0 records in
3584+0 records out
58720256 bytes (59 MB) copied, 7.64071 s, 7.7 MB/s
Copied 1081344 bytes before swapping layout...