== sanity test 184c: Concurrent write and layout swap ==== 02:17:26 (1785478646) 62+0 records in 62+0 records out 65011712 bytes (65 MB, 62 MiB) copied, 7.69637 s, 8.4 MB/s 52+0 records in 52+0 records out 54525952 bytes (55 MB, 52 MiB) copied, 8.48865 s, 6.4 MB/s ref file size: ref1(65011712), ref2(54525952) 3968+0 records in 3968+0 records out 65011712 bytes (65 MB, 62 MiB) copied, 34.083 s, 1.9 MB/s Copied 442368 bytes before swapping layout...