== sanity test 184c: Concurrent write and layout swap ==== 17:52:44 (1787867564)
49+0 records in
49+0 records out
51380224 bytes (51 MB, 49 MiB) copied, 7.58206 s, 6.8 MB/s
57+0 records in
57+0 records out
59768832 bytes (60 MB, 57 MiB) copied, 9.60249 s, 6.2 MB/s
ref file size: ref1(51380224), ref2(59768832)
3136+0 records in
3136+0 records out
51380224 bytes (51 MB, 49 MiB) copied, 14.9217 s, 3.4 MB/s
Copied 704512 bytes before swapping layout...