== sanity test 184c: Concurrent write and layout swap ==== 21:03:52 (1789088632)
37+0 records in
37+0 records out
38797312 bytes (39 MB, 37 MiB) copied, 5.10204 s, 7.6 MB/s
28+0 records in
28+0 records out
29360128 bytes (29 MB, 28 MiB) copied, 3.33154 s, 8.8 MB/s
ref file size: ref1(38797312), ref2(29360128)
2368+0 records in
2368+0 records out
38797312 bytes (39 MB, 37 MiB) copied, 7.87871 s, 4.9 MB/s
Copied 1097728 bytes before swapping layout...