== sanity test 184c: Concurrent write and layout swap ==== 17:14:18 (1780348458) 25+0 records in 25+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 1.61274 s, 16.3 MB/s 26+0 records in 26+0 records out 27262976 bytes (27 MB, 26 MiB) copied, 1.65053 s, 16.5 MB/s ref file size: ref1(26214400), ref2(27262976) 1600+0 records in 1600+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 3.02055 s, 8.7 MB/s Copied 1261568 bytes before swapping layout...