== sanity test 184c: Concurrent write and layout swap ==== 19:40:53 (1788738053) 54+0 records in 54+0 records out 56623104 bytes (57 MB, 54 MiB) copied, 3.19003 s, 17.8 MB/s 32+0 records in 32+0 records out 33554432 bytes (34 MB, 32 MiB) copied, 1.83937 s, 18.2 MB/s ref file size: ref1(56623104), ref2(33554432) 3456+0 records in 3456+0 records out 56623104 bytes (57 MB, 54 MiB) copied, 5.52125 s, 10.3 MB/s Copied 1294336 bytes before swapping layout...