== sanity test 184c: Concurrent write and layout swap ==== 14:03:00 (1790964180) 53+0 records in 53+0 records out 55574528 bytes (56 MB, 53 MiB) copied, 6.13276 s, 9.1 MB/s 23+0 records in 23+0 records out 24117248 bytes (24 MB, 23 MiB) copied, 2.31921 s, 10.4 MB/s ref file size: ref1(55574528), ref2(24117248) 3392+0 records in 3392+0 records out 55574528 bytes (56 MB, 53 MiB) copied, 9.96246 s, 5.6 MB/s Copied 425984 bytes before swapping layout...