== sanity test 184c: Concurrent write and layout swap ==== 15:18:17 (1786821497) 31+0 records in 31+0 records out 32505856 bytes (33 MB, 31 MiB) copied, 3.82058 s, 8.5 MB/s 43+0 records in 43+0 records out 45088768 bytes (45 MB, 43 MiB) copied, 6.2573 s, 7.2 MB/s ref file size: ref1(32505856), ref2(45088768) 1984+0 records in 1984+0 records out 32505856 bytes (33 MB, 31 MiB) copied, 8.63426 s, 3.8 MB/s Copied 409600 bytes before swapping layout...