== sanity test 184c: Concurrent write and layout swap ==== 15:16:30 (1709064990)
41+0 records in
41+0 records out
42991616 bytes (43 MB) copied, 1.42384 s, 30.2 MB/s
26+0 records in
26+0 records out
27262976 bytes (27 MB) copied, 0.886469 s, 30.8 MB/s
ref file size: ref1(42991616), ref2(27262976)
2624+0 records in
2624+0 records out
42991616 bytes (43 MB) copied, 3.13046 s, 13.7 MB/s
Copied 1802240 bytes before swapping layout...