== sanity test 184c: Concurrent write and layout swap ==== 22:57:59 (1767844679) 26+0 records in 26+0 records out 27262976 bytes (27 MB, 26 MiB) copied, 0.419966 s, 64.9 MB/s 45+0 records in 45+0 records out 47185920 bytes (47 MB, 45 MiB) copied, 0.651018 s, 72.5 MB/s ref file size: ref1(27262976), ref2(47185920) 1664+0 records in 1664+0 records out 27262976 bytes (27 MB, 26 MiB) copied, 0.454034 s, 60.0 MB/s Copied 7798784 bytes before swapping layout...