== sanity test 184c: Concurrent write and layout swap ==== 10:01:55 (1788530515) 58+0 records in 58+0 records out 60817408 bytes (61 MB, 58 MiB) copied, 8.22019 s, 7.4 MB/s 64+0 records in 64+0 records out 67108864 bytes (67 MB, 64 MiB) copied, 9.21251 s, 7.3 MB/s ref file size: ref1(60817408), ref2(67108864) 3712+0 records in 3712+0 records out 60817408 bytes (61 MB, 58 MiB) copied, 16.5 s, 3.7 MB/s Copied 606208 bytes before swapping layout...