== sanity test 184c: Concurrent write and layout swap ==== 05:26:29 (1788686789) 25+0 records in 25+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 3.2256 s, 8.1 MB/s 54+0 records in 54+0 records out 56623104 bytes (57 MB, 54 MiB) copied, 6.78403 s, 8.3 MB/s ref file size: ref1(26214400), ref2(56623104) 1600+0 records in 1600+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 7.70228 s, 3.4 MB/s Copied 540672 bytes before swapping layout...