== sanity test 184c: Concurrent write and layout swap ==== 09:54:43 (1779717283) 38+0 records in 38+0 records out 39845888 bytes (40 MB, 38 MiB) copied, 2.02803 s, 19.6 MB/s 27+0 records in 27+0 records out 28311552 bytes (28 MB, 27 MiB) copied, 1.47145 s, 19.2 MB/s ref file size: ref1(39845888), ref2(28311552) 2432+0 records in 2432+0 records out 39845888 bytes (40 MB, 38 MiB) copied, 4.17024 s, 9.6 MB/s Copied 983040 bytes before swapping layout...