== sanity test 184c: Concurrent write and layout swap ==== 08:22:19 (1788006139) 45+0 records in 45+0 records out 47185920 bytes (47 MB, 45 MiB) copied, 2.826 s, 16.7 MB/s 44+0 records in 44+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 2.96304 s, 15.6 MB/s ref file size: ref1(47185920), ref2(46137344) 2880+0 records in 2880+0 records out 47185920 bytes (47 MB, 45 MiB) copied, 4.54803 s, 10.4 MB/s Copied 1392640 bytes before swapping layout...