== sanity test 184c: Concurrent write and layout swap ==== 13:27:40 (1787592460) 54+0 records in 54+0 records out 56623104 bytes (57 MB, 54 MiB) copied, 6.83419 s, 8.3 MB/s 25+0 records in 25+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 3.61911 s, 7.2 MB/s ref file size: ref1(56623104), ref2(26214400) 3456+0 records in 3456+0 records out 56623104 bytes (57 MB, 54 MiB) copied, 12.8233 s, 4.4 MB/s Copied 589824 bytes before swapping layout...