== sanity test 184c: Concurrent write and layout swap ==== 17:33:51 (1786052031)
20+0 records in
20+0 records out
20971520 bytes (21 MB, 20 MiB) copied, 1.81716 s, 11.5 MB/s
49+0 records in
49+0 records out
51380224 bytes (51 MB, 49 MiB) copied, 4.91267 s, 10.5 MB/s
ref file size: ref1(20971520), ref2(51380224)
1280+0 records in
1280+0 records out
20971520 bytes (21 MB, 20 MiB) copied, 3.52489 s, 5.9 MB/s
Copied 229376 bytes before swapping layout...