== sanity test 184c: Concurrent write and layout swap ==== 09:34:53 (1779888893) 32+0 records in 32+0 records out 33554432 bytes (34 MB, 32 MiB) copied, 3.00445 s, 11.2 MB/s 36+0 records in 36+0 records out 37748736 bytes (38 MB, 36 MiB) copied, 3.49159 s, 10.8 MB/s ref file size: ref1(33554432), ref2(37748736) 2048+0 records in 2048+0 records out 33554432 bytes (34 MB, 32 MiB) copied, 6.09091 s, 5.5 MB/s Copied 573440 bytes before swapping layout...