== sanity test 184c: Concurrent write and layout swap ==== 16:03:34 (1788293014) 21+0 records in 21+0 records out 22020096 bytes (22 MB, 21 MiB) copied, 3.17115 s, 6.9 MB/s 67+0 records in 67+0 records out 70254592 bytes (70 MB, 67 MiB) copied, 10.3549 s, 6.8 MB/s ref file size: ref1(22020096), ref2(70254592) 1344+0 records in 1344+0 records out 22020096 bytes (22 MB, 21 MiB) copied, 6.27947 s, 3.5 MB/s Copied 540672 bytes before swapping layout...