== sanity test 184c: Concurrent write and layout swap ==== 04:07:58 (1786781278) 22+0 records in 22+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 2.76885 s, 8.3 MB/s 41+0 records in 41+0 records out 42991616 bytes (43 MB, 41 MiB) copied, 4.87436 s, 8.8 MB/s ref file size: ref1(23068672), ref2(42991616) 1408+0 records in 1408+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 6.49716 s, 3.6 MB/s Copied 475136 bytes before swapping layout...