== sanity test 184c: Concurrent write and layout swap ==== 11:22:22 (1786202542) 46+0 records in 46+0 records out 48234496 bytes (48 MB, 46 MiB) copied, 2.98836 s, 16.1 MB/s 22+0 records in 22+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 1.28947 s, 17.9 MB/s ref file size: ref1(48234496), ref2(23068672) 2944+0 records in 2944+0 records out 48234496 bytes (48 MB, 46 MiB) copied, 5.732 s, 8.4 MB/s Copied 1146880 bytes before swapping layout...