== sanity test 184c: Concurrent write and layout swap ==== 15:50:58 (1715457058) 22+0 records in 22+0 records out 23068672 bytes (23 MB) copied, 0.370731 s, 62.2 MB/s 40+0 records in 40+0 records out 41943040 bytes (42 MB) copied, 0.581946 s, 72.1 MB/s ref file size: ref1(23068672), ref2(41943040) 1408+0 records in 1408+0 records out 23068672 bytes (23 MB) copied, 0.396178 s, 58.2 MB/s Copied 4997120 bytes before swapping layout...