== sanity test 184c: Concurrent write and layout swap ==== 01:47:41 (1789796861) 25+0 records in 25+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 1.9272 s, 13.6 MB/s 26+0 records in 26+0 records out 27262976 bytes (27 MB, 26 MiB) copied, 1.88728 s, 14.4 MB/s ref file size: ref1(26214400), ref2(27262976) 1600+0 records in 1600+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 3.36252 s, 7.8 MB/s Copied 999424 bytes before swapping layout...