== sanity test 184c: Concurrent write and layout swap ==== 02:45:51 (1781246751) 56+0 records in 56+0 records out 58720256 bytes (59 MB, 56 MiB) copied, 10.1886 s, 5.8 MB/s 33+0 records in 33+0 records out 34603008 bytes (35 MB, 33 MiB) copied, 5.87155 s, 5.9 MB/s ref file size: ref1(58720256), ref2(34603008) 3584+0 records in 3584+0 records out 58720256 bytes (59 MB, 56 MiB) copied, 18.9697 s, 3.1 MB/s Copied 475136 bytes before swapping layout...