== sanity test 184c: Concurrent write and layout swap ==== 15:34:34 (1787513674) 58+0 records in 58+0 records out 60817408 bytes (61 MB, 58 MiB) copied, 3.16171 s, 19.2 MB/s 41+0 records in 41+0 records out 42991616 bytes (43 MB, 41 MiB) copied, 2.31689 s, 18.6 MB/s ref file size: ref1(60817408), ref2(42991616) 3712+0 records in 3712+0 records out 60817408 bytes (61 MB, 58 MiB) copied, 5.7585 s, 10.6 MB/s Copied 1327104 bytes before swapping layout...