== sanity test 184c: Concurrent write and layout swap ==== 15:55:33 (1774900533) 42+0 records in 42+0 records out 44040192 bytes (44 MB, 42 MiB) copied, 3.211 s, 13.7 MB/s 43+0 records in 43+0 records out 45088768 bytes (45 MB, 43 MiB) copied, 3.02879 s, 14.9 MB/s ref file size: ref1(44040192), ref2(45088768) 2688+0 records in 2688+0 records out 44040192 bytes (44 MB, 42 MiB) copied, 5.91008 s, 7.5 MB/s Copied 1114112 bytes before swapping layout...