== sanity test 184c: Concurrent write and layout swap ==== 08:26:23 (1787401583) 22+0 records in 22+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 3.50127 s, 6.6 MB/s 69+0 records in 69+0 records out 72351744 bytes (72 MB, 69 MiB) copied, 12.1045 s, 6.0 MB/s ref file size: ref1(23068672), ref2(72351744) 1408+0 records in 1408+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 6.83865 s, 3.4 MB/s Copied 557056 bytes before swapping layout...