== sanity test 184c: Concurrent write and layout swap ==== 09:20:38 (1764944438) 62+0 records in 62+0 records out 65011712 bytes (65 MB, 62 MiB) copied, 1.30821 s, 49.7 MB/s 47+0 records in 47+0 records out 49283072 bytes (49 MB, 47 MiB) copied, 0.891279 s, 55.3 MB/s ref file size: ref1(65011712), ref2(49283072) 3968+0 records in 3968+0 records out 65011712 bytes (65 MB, 62 MiB) copied, 1.12036 s, 58.0 MB/s Copied 6324224 bytes before swapping layout...