== sanity test 184c: Concurrent write and layout swap ==== 20:32:57 (1756686777) 22+0 records in 22+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 1.22511 s, 18.8 MB/s 58+0 records in 58+0 records out 60817408 bytes (61 MB, 58 MiB) copied, 3.15909 s, 19.3 MB/s ref file size: ref1(23068672), ref2(60817408) 1408+0 records in 1408+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 2.66508 s, 8.7 MB/s Copied 1671168 bytes before swapping layout...