== sanity test 184c: Concurrent write and layout swap ==== 14:39:14 (1788633554) 25+0 records in 25+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 4.22827 s, 6.2 MB/s 36+0 records in 36+0 records out 37748736 bytes (38 MB, 36 MiB) copied, 5.97932 s, 6.3 MB/s ref file size: ref1(26214400), ref2(37748736) 1600+0 records in 1600+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 8.12417 s, 3.2 MB/s Copied 540672 bytes before swapping layout...