== sanity test 184c: Concurrent write and layout swap ==== 08:30:08 (1765114208) 47+0 records in 47+0 records out 49283072 bytes (49 MB, 47 MiB) copied, 2.72125 s, 18.1 MB/s 54+0 records in 54+0 records out 56623104 bytes (57 MB, 54 MiB) copied, 2.89054 s, 19.6 MB/s ref file size: ref1(49283072), ref2(56623104) 3008+0 records in 3008+0 records out 49283072 bytes (49 MB, 47 MiB) copied, 4.88916 s, 10.1 MB/s Copied 1146880 bytes before swapping layout...