== sanity test 184c: Concurrent write and layout swap ==== 23:15:24 (1789096524)
20+0 records in
20+0 records out
20971520 bytes (21 MB, 20 MiB) copied, 2.70319 s, 7.8 MB/s
29+0 records in
29+0 records out
30408704 bytes (30 MB, 29 MiB) copied, 4.3709 s, 7.0 MB/s
ref file size: ref1(20971520), ref2(30408704)
1280+0 records in
1280+0 records out
20971520 bytes (21 MB, 20 MiB) copied, 4.78874 s, 4.4 MB/s
Copied 786432 bytes before swapping layout...