== sanity test 184c: Concurrent write and layout swap ==== 14:52:16 (1772481136) 35+0 records in 35+0 records out 36700160 bytes (37 MB, 35 MiB) copied, 2.24703 s, 16.3 MB/s 66+0 records in 66+0 records out 69206016 bytes (69 MB, 66 MiB) copied, 4.44266 s, 15.6 MB/s ref file size: ref1(36700160), ref2(69206016) 2240+0 records in 2240+0 records out 36700160 bytes (37 MB, 35 MiB) copied, 3.79721 s, 9.7 MB/s Copied 1261568 bytes before swapping layout...