== sanity test 184c: Concurrent write and layout swap ==== 18:04:16 (1746137056) 34+0 records in 34+0 records out 35651584 bytes (36 MB) copied, 2.09278 s, 17.0 MB/s 44+0 records in 44+0 records out 46137344 bytes (46 MB) copied, 2.47876 s, 18.6 MB/s ref file size: ref1(35651584), ref2(46137344) 2176+0 records in 2176+0 records out 35651584 bytes (36 MB) copied, 4.65884 s, 7.7 MB/s Copied 835584 bytes before swapping layout...