== sanity test 184c: Concurrent write and layout swap ==== 11:15:45 (1788534945) 44+0 records in 44+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 6.11151 s, 7.5 MB/s 34+0 records in 34+0 records out 35651584 bytes (36 MB, 34 MiB) copied, 5.02021 s, 7.1 MB/s ref file size: ref1(46137344), ref2(35651584) 2816+0 records in 2816+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 12.7682 s, 3.6 MB/s Copied 458752 bytes before swapping layout...