== sanity test 184c: Concurrent write and layout swap ==== 22:58:19 (1708833499)
41+0 records in
41+0 records out
42991616 bytes (43 MB) copied, 1.39372 s, 30.8 MB/s
68+0 records in
68+0 records out
71303168 bytes (71 MB) copied, 2.04779 s, 34.8 MB/s
ref file size: ref1(42991616), ref2(71303168)
2624+0 records in
2624+0 records out
42991616 bytes (43 MB) copied, 2.45835 s, 17.5 MB/s
Copied 1818624 bytes before swapping layout...