== sanity test 184c: Concurrent write and layout swap ==== 16:45:11 (1790023511) 25+0 records in 25+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 4.83385 s, 5.4 MB/s 20+0 records in 20+0 records out 20971520 bytes (21 MB, 20 MiB) copied, 3.40314 s, 6.2 MB/s ref file size: ref1(26214400), ref2(20971520) 1600+0 records in 1600+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 10.3071 s, 2.5 MB/s Copied 344064 bytes before swapping layout...