== sanity test 184c: Concurrent write and layout swap ==== 13:57:15 (1744135035) 25+0 records in 25+0 records out 26214400 bytes (26 MB) copied, 0.95234 s, 27.5 MB/s 62+0 records in 62+0 records out 65011712 bytes (65 MB) copied, 2.33062 s, 27.9 MB/s ref file size: ref1(26214400), ref2(65011712) 1600+0 records in 1600+0 records out 26214400 bytes (26 MB) copied, 2.49639 s, 10.5 MB/s Copied 1425408 bytes before swapping layout...