== sanity test 184c: Concurrent write and layout swap ==== 01:02:44 (1789621364) 22+0 records in 22+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 2.36021 s, 9.8 MB/s 45+0 records in 45+0 records out 47185920 bytes (47 MB, 45 MiB) copied, 4.63794 s, 10.2 MB/s ref file size: ref1(23068672), ref2(47185920) 1408+0 records in 1408+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 3.75011 s, 6.2 MB/s Copied 966656 bytes before swapping layout...