== sanity test 184c: Concurrent write and layout swap ==== 15:26:14 (1772483174) 34+0 records in 34+0 records out 35651584 bytes (36 MB, 34 MiB) copied, 2.70137 s, 13.2 MB/s 20+0 records in 20+0 records out 20971520 bytes (21 MB, 20 MiB) copied, 1.52396 s, 13.8 MB/s ref file size: ref1(35651584), ref2(20971520) 2176+0 records in 2176+0 records out 35651584 bytes (36 MB, 34 MiB) copied, 4.59027 s, 7.8 MB/s Copied 1228800 bytes before swapping layout...