== sanity test 184c: Concurrent write and layout swap ==== 06:06:35 (1789466795) 56+0 records in 56+0 records out 58720256 bytes (59 MB, 56 MiB) copied, 6.4073 s, 9.2 MB/s 21+0 records in 21+0 records out 22020096 bytes (22 MB, 21 MiB) copied, 2.49162 s, 8.8 MB/s ref file size: ref1(58720256), ref2(22020096) 3584+0 records in 3584+0 records out 58720256 bytes (59 MB, 56 MiB) copied, 13.5507 s, 4.3 MB/s Copied 376832 bytes before swapping layout...