== sanity test 184c: Concurrent write and layout swap ==== 20:43:32 (1782261812) 41+0 records in 41+0 records out 42991616 bytes (43 MB, 41 MiB) copied, 5.39855 s, 8.0 MB/s 58+0 records in 58+0 records out 60817408 bytes (61 MB, 58 MiB) copied, 8.48549 s, 7.2 MB/s ref file size: ref1(42991616), ref2(60817408) 2624+0 records in 2624+0 records out 42991616 bytes (43 MB, 41 MiB) copied, 11.9153 s, 3.6 MB/s Copied 704512 bytes before swapping layout...