== sanity test 184c: Concurrent write and layout swap ==== 10:08:16 (1724767696) 24+0 records in 24+0 records out 25165824 bytes (25 MB) copied, 0.825586 s, 30.5 MB/s 25+0 records in 25+0 records out 26214400 bytes (26 MB) copied, 0.905555 s, 28.9 MB/s ref file size: ref1(25165824), ref2(26214400) 1536+0 records in 1536+0 records out 25165824 bytes (25 MB) copied, 1.66446 s, 15.1 MB/s Copied 1949696 bytes before swapping layout...