== sanity test 184c: Concurrent write and layout swap ==== 19:27:10 (1786490830) 56+0 records in 56+0 records out 58720256 bytes (59 MB, 56 MiB) copied, 4.34219 s, 13.5 MB/s 30+0 records in 30+0 records out 31457280 bytes (31 MB, 30 MiB) copied, 2.17542 s, 14.5 MB/s ref file size: ref1(58720256), ref2(31457280) 3584+0 records in 3584+0 records out 58720256 bytes (59 MB, 56 MiB) copied, 7.99378 s, 7.3 MB/s Copied 688128 bytes before swapping layout...