== sanity test 184c: Concurrent write and layout swap ==== 03:38:13 (1785483493)
60+0 records in
60+0 records out
62914560 bytes (63 MB, 60 MiB) copied, 12.1369 s, 5.2 MB/s
61+0 records in
61+0 records out
63963136 bytes (64 MB, 61 MiB) copied, 19.014 s, 3.4 MB/s
ref file size: ref1(62914560), ref2(63963136)
3840+0 records in
3840+0 records out
62914560 bytes (63 MB, 60 MiB) copied, 29.9663 s, 2.1 MB/s
Copied 507904 bytes before swapping layout...