== sanity test 184c: Concurrent write and layout swap ==== 09:13:28 (1779714808) 26+0 records in 26+0 records out 27262976 bytes (27 MB, 26 MiB) copied, 4.78339 s, 5.7 MB/s 66+0 records in 66+0 records out 69206016 bytes (69 MB, 66 MiB) copied, 10.5334 s, 6.6 MB/s ref file size: ref1(27262976), ref2(69206016) 1664+0 records in 1664+0 records out 27262976 bytes (27 MB, 26 MiB) copied, 10.1151 s, 2.7 MB/s Copied 770048 bytes before swapping layout...