== sanity test 184c: Concurrent write and layout swap ==== 02:12:41 (1789366361) 24+0 records in 24+0 records out 25165824 bytes (25 MB, 24 MiB) copied, 1.39848 s, 18.0 MB/s 53+0 records in 53+0 records out 55574528 bytes (56 MB, 53 MiB) copied, 3.42887 s, 16.2 MB/s ref file size: ref1(25165824), ref2(55574528) 1536+0 records in 1536+0 records out 25165824 bytes (25 MB, 24 MiB) copied, 2.31276 s, 10.9 MB/s Copied 1376256 bytes before swapping layout...