== sanity test 184c: Concurrent write and layout swap ==== 16:00:46 (1776196846) 26+0 records in 26+0 records out 27262976 bytes (27 MB, 26 MiB) copied, 1.98559 s, 13.7 MB/s 62+0 records in 62+0 records out 65011712 bytes (65 MB, 62 MiB) copied, 2.93445 s, 22.2 MB/s ref file size: ref1(27262976), ref2(65011712) 1664+0 records in 1664+0 records out 27262976 bytes (27 MB, 26 MiB) copied, 2.05589 s, 13.3 MB/s Copied 2408448 bytes before swapping layout...