== sanity test 184c: Concurrent write and layout swap ==== 20:28:22 (1756686502) 68+0 records in 68+0 records out 71303168 bytes (71 MB, 68 MiB) copied, 3.36149 s, 21.2 MB/s 25+0 records in 25+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 1.23387 s, 21.2 MB/s ref file size: ref1(71303168), ref2(26214400) 4352+0 records in 4352+0 records out 71303168 bytes (71 MB, 68 MiB) copied, 6.26133 s, 11.4 MB/s Copied 1343488 bytes before swapping layout...