== sanity test 184c: Concurrent write and layout swap ==== 11:29:47 (1779118187) 62+0 records in 62+0 records out 65011712 bytes (65 MB, 62 MiB) copied, 10.0714 s, 6.5 MB/s 45+0 records in 45+0 records out 47185920 bytes (47 MB, 45 MiB) copied, 7.16166 s, 6.6 MB/s ref file size: ref1(65011712), ref2(47185920) 3968+0 records in 3968+0 records out 65011712 bytes (65 MB, 62 MiB) copied, 21.4128 s, 3.0 MB/s Copied 606208 bytes before swapping layout...