== sanity test 184c: Concurrent write and layout swap ==== 13:02:21 (1787850141) 44+0 records in 44+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 9.04544 s, 5.1 MB/s 69+0 records in 69+0 records out 72351744 bytes (72 MB, 69 MiB) copied, 12.7115 s, 5.7 MB/s ref file size: ref1(46137344), ref2(72351744) 2816+0 records in 2816+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 12.2296 s, 3.8 MB/s Copied 622592 bytes before swapping layout...