== sanity test 184c: Concurrent write and layout swap ==== 02:24:36 (1786429476) 60+0 records in 60+0 records out 62914560 bytes (63 MB, 60 MiB) copied, 10.785 s, 5.8 MB/s 23+0 records in 23+0 records out 24117248 bytes (24 MB, 23 MiB) copied, 3.89896 s, 6.2 MB/s ref file size: ref1(62914560), ref2(24117248) 3840+0 records in 3840+0 records out 62914560 bytes (63 MB, 60 MiB) copied, 25.3336 s, 2.5 MB/s Copied 688128 bytes before swapping layout...