== sanity test 184c: Concurrent write and layout swap ==== 07:58:27 (1788868707)
45+0 records in
45+0 records out
47185920 bytes (47 MB, 45 MiB) copied, 7.60173 s, 6.2 MB/s
52+0 records in
52+0 records out
54525952 bytes (55 MB, 52 MiB) copied, 8.35356 s, 6.5 MB/s
ref file size: ref1(47185920), ref2(54525952)