== sanity test 184c: Concurrent write and layout swap ==== 06:54:20 (1761130460) 22+0 records in 22+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 0.561156 s, 41.1 MB/s 39+0 records in 39+0 records out 40894464 bytes (41 MB, 39 MiB) copied, 1.0497 s, 39.0 MB/s ref file size: ref1(23068672), ref2(40894464) 1408+0 records in 1408+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 0.786623 s, 29.3 MB/s Copied 5029888 bytes before swapping layout...