== sanity test 184c: Concurrent write and layout swap ==== 16:40:27 (1788640827) 58+0 records in 58+0 records out 60817408 bytes (61 MB, 58 MiB) copied, 10.7682 s, 5.6 MB/s 54+0 records in 54+0 records out 56623104 bytes (57 MB, 54 MiB) copied, 7.20421 s, 7.9 MB/s ref file size: ref1(60817408), ref2(56623104) 3712+0 records in 3712+0 records out 60817408 bytes (61 MB, 58 MiB) copied, 20.7339 s, 2.9 MB/s Copied 540672 bytes before swapping layout...