== sanity test 184c: Concurrent write and layout swap ==== 11:58:21 (1761321501) 22+0 records in 22+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 0.438534 s, 52.6 MB/s 23+0 records in 23+0 records out 24117248 bytes (24 MB, 23 MiB) copied, 0.460924 s, 52.3 MB/s ref file size: ref1(23068672), ref2(24117248) 1408+0 records in 1408+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 0.465558 s, 49.6 MB/s Copied 6340608 bytes before swapping layout...