== sanity test 184c: Concurrent write and layout swap ==== 12:14:14 (1789143254) 42+0 records in 42+0 records out 44040192 bytes (44 MB, 42 MiB) copied, 6.24753 s, 7.0 MB/s 34+0 records in 34+0 records out 35651584 bytes (36 MB, 34 MiB) copied, 6.12612 s, 5.8 MB/s ref file size: ref1(44040192), ref2(35651584) 2688+0 records in 2688+0 records out 44040192 bytes (44 MB, 42 MiB) copied, 12.2017 s, 3.6 MB/s Copied 442368 bytes before swapping layout...