== sanity test 184c: Concurrent write and layout swap ==== 02:55:45 (1789196145) 22+0 records in 22+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 1.31797 s, 17.5 MB/s 62+0 records in 62+0 records out 65011712 bytes (65 MB, 62 MiB) copied, 3.88368 s, 16.7 MB/s ref file size: ref1(23068672), ref2(65011712) 1408+0 records in 1408+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 2.13298 s, 10.8 MB/s Copied 1638400 bytes before swapping layout...