== sanity test 184c: Concurrent write and layout swap ==== 15:38:27 (1787859507)
20+0 records in
20+0 records out
20971520 bytes (21 MB, 20 MiB) copied, 2.72095 s, 7.7 MB/s
23+0 records in
23+0 records out
24117248 bytes (24 MB, 23 MiB) copied, 3.26391 s, 7.4 MB/s
ref file size: ref1(20971520), ref2(24117248)
1280+0 records in
1280+0 records out
20971520 bytes (21 MB, 20 MiB) copied, 4.79029 s, 4.4 MB/s
Copied 540672 bytes before swapping layout...