== sanity test 184c: Concurrent write and layout swap ==== 11:05:21 (1785423921) 54+0 records in 54+0 records out 56623104 bytes (57 MB, 54 MiB) copied, 11.2476 s, 5.0 MB/s 22+0 records in 22+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 5.37273 s, 4.3 MB/s ref file size: ref1(56623104), ref2(23068672) 3456+0 records in 3456+0 records out 56623104 bytes (57 MB, 54 MiB) copied, 25.8299 s, 2.2 MB/s Copied 393216 bytes before swapping layout...