== sanity test 184c: Concurrent write and layout swap ==== 17:24:52 (1788211492) 45+0 records in 45+0 records out 47185920 bytes (47 MB, 45 MiB) copied, 5.90397 s, 8.0 MB/s 32+0 records in 32+0 records out 33554432 bytes (34 MB, 32 MiB) copied, 4.87711 s, 6.9 MB/s ref file size: ref1(47185920), ref2(33554432) 2880+0 records in 2880+0 records out 47185920 bytes (47 MB, 45 MiB) copied, 15.4158 s, 3.1 MB/s Copied 573440 bytes before swapping layout...