== sanity test 184c: Concurrent write and layout swap ==== 09:48:50 (1787406530) 41+0 records in 41+0 records out 42991616 bytes (43 MB, 41 MiB) copied, 7.49868 s, 5.7 MB/s 37+0 records in 37+0 records out 38797312 bytes (39 MB, 37 MiB) copied, 5.15875 s, 7.5 MB/s ref file size: ref1(42991616), ref2(38797312) 2624+0 records in 2624+0 records out 42991616 bytes (43 MB, 41 MiB) copied, 13.2528 s, 3.2 MB/s Copied 360448 bytes before swapping layout...