== sanity test 184c: Concurrent write and layout swap ==== 23:35:18 (1788924918) 25+0 records in 25+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 4.20855 s, 6.2 MB/s 41+0 records in 41+0 records out 42991616 bytes (43 MB, 41 MiB) copied, 6.44419 s, 6.7 MB/s ref file size: ref1(26214400), ref2(42991616) 1600+0 records in 1600+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 7.81566 s, 3.4 MB/s Copied 540672 bytes before swapping layout...