== sanity test 184c: Concurrent write and layout swap ==== 05:03:03 (1781254983)
20+0 records in
20+0 records out
20971520 bytes (21 MB, 20 MiB) copied, 3.05653 s, 6.9 MB/s
30+0 records in
30+0 records out
31457280 bytes (31 MB, 30 MiB) copied, 4.95753 s, 6.3 MB/s
ref file size: ref1(20971520), ref2(31457280)
1280+0 records in
1280+0 records out
20971520 bytes (21 MB, 20 MiB) copied, 6.43975 s, 3.3 MB/s
Copied 458752 bytes before swapping layout...