== sanity test 184c: Concurrent write and layout swap ==== 11:59:05 (1761321545) 25+0 records in 25+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 0.645745 s, 40.6 MB/s 54+0 records in 54+0 records out 56623104 bytes (57 MB, 54 MiB) copied, 1.55826 s, 36.3 MB/s ref file size: ref1(26214400), ref2(56623104) 1600+0 records in 1600+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 0.870577 s, 30.1 MB/s Copied 4341760 bytes before swapping layout...