== sanity test 184c: Concurrent write and layout swap ==== 01:48:40 (1789796920)
50+0 records in
50+0 records out
52428800 bytes (52 MB, 50 MiB) copied, 3.40231 s, 15.4 MB/s
48+0 records in
48+0 records out
50331648 bytes (50 MB, 48 MiB) copied, 3.2423 s, 15.5 MB/s
ref file size: ref1(52428800), ref2(50331648)
3200+0 records in
3200+0 records out
52428800 bytes (52 MB, 50 MiB) copied, 6.02124 s, 8.7 MB/s
Copied 1212416 bytes before swapping layout...