== sanity test 184c: Concurrent write and layout swap ==== 15:43:16 (1772484196) 60+0 records in 60+0 records out 62914560 bytes (63 MB, 60 MiB) copied, 4.30529 s, 14.6 MB/s 47+0 records in 47+0 records out 49283072 bytes (49 MB, 47 MiB) copied, 3.32113 s, 14.8 MB/s ref file size: ref1(62914560), ref2(49283072) 3840+0 records in 3840+0 records out 62914560 bytes (63 MB, 60 MiB) copied, 6.32386 s, 9.9 MB/s Copied 983040 bytes before swapping layout...