== sanity test 184c: Concurrent write and layout swap ==== 11:45:32 (1787759132) 67+0 records in 67+0 records out 70254592 bytes (70 MB, 67 MiB) copied, 11.0708 s, 6.3 MB/s 30+0 records in 30+0 records out 31457280 bytes (31 MB, 30 MiB) copied, 3.41371 s, 9.2 MB/s ref file size: ref1(70254592), ref2(31457280) 4288+0 records in 4288+0 records out 70254592 bytes (70 MB, 67 MiB) copied, 27.0449 s, 2.6 MB/s Copied 917504 bytes before swapping layout...