== sanity test 184c: Concurrent write and layout swap ==== 22:09:59 (1755050999) 43+0 records in 43+0 records out 45088768 bytes (45 MB, 43 MiB) copied, 2.85381 s, 15.8 MB/s 67+0 records in 67+0 records out 70254592 bytes (70 MB, 67 MiB) copied, 5.06107 s, 13.9 MB/s ref file size: ref1(45088768), ref2(70254592) 2752+0 records in 2752+0 records out 45088768 bytes (45 MB, 43 MiB) copied, 6.34734 s, 7.1 MB/s Copied 1081344 bytes before swapping layout...