== sanity test 184c: Concurrent write and layout swap ==== 19:42:30 (1786491750) 43+0 records in 43+0 records out 45088768 bytes (45 MB, 43 MiB) copied, 2.56171 s, 17.6 MB/s 67+0 records in 67+0 records out 70254592 bytes (70 MB, 67 MiB) copied, 3.95384 s, 17.8 MB/s ref file size: ref1(45088768), ref2(70254592) 2752+0 records in 2752+0 records out 45088768 bytes (45 MB, 43 MiB) copied, 4.71315 s, 9.6 MB/s Copied 1146880 bytes before swapping layout...