== sanity test 184c: Concurrent write and layout swap ==== 14:33:46 (1779215626) 25+0 records in 25+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 1.37833 s, 19.0 MB/s 24+0 records in 24+0 records out 25165824 bytes (25 MB, 24 MiB) copied, 1.33727 s, 18.8 MB/s ref file size: ref1(26214400), ref2(25165824) 1600+0 records in 1600+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 2.25774 s, 11.6 MB/s Copied 1507328 bytes before swapping layout...