== sanity test 184c: Concurrent write and layout swap ==== 22:58:24 (1708833504) 24+0 records in 24+0 records out 25165824 bytes (25 MB) copied, 0.582129 s, 43.2 MB/s 28+0 records in 28+0 records out 29360128 bytes (29 MB) copied, 0.767408 s, 38.3 MB/s ref file size: ref1(25165824), ref2(29360128) 1536+0 records in 1536+0 records out 25165824 bytes (25 MB) copied, 1.66462 s, 15.1 MB/s Copied 1982464 bytes before swapping layout...