== sanity test 184c: Concurrent write and layout swap ==== 00:48:02 (1746074882)
48+0 records in
48+0 records out
50331648 bytes (50 MB) copied, 2.50823 s, 20.1 MB/s
29+0 records in
29+0 records out
30408704 bytes (30 MB) copied, 1.58948 s, 19.1 MB/s
ref file size: ref1(50331648), ref2(30408704)
3072+0 records in
3072+0 records out
50331648 bytes (50 MB) copied, 5.81198 s, 8.7 MB/s
Copied 1196032 bytes before swapping layout...