== sanity test 184c: Concurrent write and layout swap ==== 06:41:32 (1715337692) 31+0 records in 31+0 records out 32505856 bytes (33 MB) copied, 1.05677 s, 30.8 MB/s 24+0 records in 24+0 records out 25165824 bytes (25 MB) copied, 0.860039 s, 29.3 MB/s ref file size: ref1(32505856), ref2(25165824) 1984+0 records in 1984+0 records out 32505856 bytes (33 MB) copied, 2.12797 s, 15.3 MB/s Copied 1605632 bytes before swapping layout...