== sanity test 184c: Concurrent write and layout swap ==== 21:45:17 (1787622317) 31+0 records in 31+0 records out 32505856 bytes (33 MB, 31 MiB) copied, 5.00976 s, 6.5 MB/s 56+0 records in 56+0 records out 58720256 bytes (59 MB, 56 MiB) copied, 8.24487 s, 7.1 MB/s ref file size: ref1(32505856), ref2(58720256) 1984+0 records in 1984+0 records out 32505856 bytes (33 MB, 31 MiB) copied, 8.96103 s, 3.6 MB/s Copied 360448 bytes before swapping layout...