== sanity test 184c: Concurrent write and layout swap ==== 15:40:40 (1789155640) 22+0 records in 22+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 3.27968 s, 7.0 MB/s 42+0 records in 42+0 records out 44040192 bytes (44 MB, 42 MiB) copied, 7.70143 s, 5.7 MB/s ref file size: ref1(23068672), ref2(44040192) 1408+0 records in 1408+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 6.21038 s, 3.7 MB/s Copied 704512 bytes before swapping layout...