== sanity test 184c: Concurrent write and layout swap ==== 16:46:45 (1781038005)
30+0 records in
30+0 records out
31457280 bytes (31 MB, 30 MiB) copied, 1.71593 s, 18.3 MB/s
61+0 records in
61+0 records out
63963136 bytes (64 MB, 61 MiB) copied, 3.499 s, 18.3 MB/s
ref file size: ref1(31457280), ref2(63963136)
1920+0 records in
1920+0 records out
31457280 bytes (31 MB, 30 MiB) copied, 3.22362 s, 9.8 MB/s
Copied 1196032 bytes before swapping layout...