== sanity test 184c: Concurrent write and layout swap ==== 08:56:52 (1768139812) 41+0 records in 41+0 records out 42991616 bytes (43 MB, 41 MiB) copied, 2.82599 s, 15.2 MB/s 53+0 records in 53+0 records out 55574528 bytes (56 MB, 53 MiB) copied, 3.57789 s, 15.5 MB/s ref file size: ref1(42991616), ref2(55574528) 2624+0 records in 2624+0 records out 42991616 bytes (43 MB, 41 MiB) copied, 4.30935 s, 10.0 MB/s Copied 1228800 bytes before swapping layout...