== sanity test 184c: Concurrent write and layout swap ==== 22:32:06 (1753756326) 24+0 records in 24+0 records out 25165824 bytes (25 MB, 24 MiB) copied, 1.25421 s, 20.1 MB/s 43+0 records in 43+0 records out 45088768 bytes (45 MB, 43 MiB) copied, 2.52803 s, 17.8 MB/s ref file size: ref1(25165824), ref2(45088768) 1536+0 records in 1536+0 records out 25165824 bytes (25 MB, 24 MiB) copied, 3.22744 s, 7.8 MB/s Copied 1425408 bytes before swapping layout...