== sanity test 184c: Concurrent write and layout swap ==== 18:51:40 (1717023100) 22+0 records in 22+0 records out 23068672 bytes (23 MB) copied, 0.350857 s, 65.7 MB/s 41+0 records in 41+0 records out 42991616 bytes (43 MB) copied, 0.662186 s, 64.9 MB/s ref file size: ref1(23068672), ref2(42991616) 1408+0 records in 1408+0 records out 23068672 bytes (23 MB) copied, 0.363187 s, 63.5 MB/s Copied 7667712 bytes before swapping layout...