== sanity test 184c: Concurrent write and layout swap ==== 13:15:17 (1790961317) 60+0 records in 60+0 records out 62914560 bytes (63 MB, 60 MiB) copied, 4.32916 s, 14.5 MB/s 37+0 records in 37+0 records out 38797312 bytes (39 MB, 37 MiB) copied, 2.55839 s, 15.2 MB/s ref file size: ref1(62914560), ref2(38797312) 3840+0 records in 3840+0 records out 62914560 bytes (63 MB, 60 MiB) copied, 6.72146 s, 9.4 MB/s Copied 1081344 bytes before swapping layout...