== sanity test 184c: Concurrent write and layout swap ==== 17:23:33 (1786829013) 66+0 records in 66+0 records out 69206016 bytes (69 MB, 66 MiB) copied, 9.78546 s, 7.1 MB/s 45+0 records in 45+0 records out 47185920 bytes (47 MB, 45 MiB) copied, 6.23217 s, 7.6 MB/s ref file size: ref1(69206016), ref2(47185920) 4224+0 records in 4224+0 records out 69206016 bytes (69 MB, 66 MiB) copied, 24.4953 s, 2.8 MB/s Copied 933888 bytes before swapping layout...