== sanity test 184c: Concurrent write and layout swap ==== 10:28:14 (1782743294) 26+0 records in 26+0 records out 27262976 bytes (27 MB, 26 MiB) copied, 1.38842 s, 19.6 MB/s 23+0 records in 23+0 records out 24117248 bytes (24 MB, 23 MiB) copied, 1.26282 s, 19.1 MB/s ref file size: ref1(27262976), ref2(24117248) 1664+0 records in 1664+0 records out 27262976 bytes (27 MB, 26 MiB) copied, 3.26093 s, 8.4 MB/s Copied 1179648 bytes before swapping layout...