== sanity test 184c: Concurrent write and layout swap ==== 16:59:04 (1780347544) 22+0 records in 22+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 1.52049 s, 15.2 MB/s 26+0 records in 26+0 records out 27262976 bytes (27 MB, 26 MiB) copied, 2.0019 s, 13.6 MB/s ref file size: ref1(23068672), ref2(27262976) 1408+0 records in 1408+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 3.436 s, 6.7 MB/s Copied 1015808 bytes before swapping layout...