== sanity test 184c: Concurrent write and layout swap ==== 09:19:19 (1742908759)
20+0 records in
20+0 records out
20971520 bytes (21 MB) copied, 0.685809 s, 30.6 MB/s
41+0 records in
41+0 records out
42991616 bytes (43 MB) copied, 1.41167 s, 30.5 MB/s
ref file size: ref1(20971520), ref2(42991616)
1280+0 records in
1280+0 records out
20971520 bytes (21 MB) copied, 1.65856 s, 12.6 MB/s
Copied 1933312 bytes before swapping layout...