== sanity test 184c: Concurrent write and layout swap ==== 02:09:25 (1789193365) 52+0 records in 52+0 records out 54525952 bytes (55 MB, 52 MiB) copied, 3.56465 s, 15.3 MB/s 42+0 records in 42+0 records out 44040192 bytes (44 MB, 42 MiB) copied, 3.33975 s, 13.2 MB/s ref file size: ref1(54525952), ref2(44040192) 3328+0 records in 3328+0 records out 54525952 bytes (55 MB, 52 MiB) copied, 6.0766 s, 9.0 MB/s Copied 1015808 bytes before swapping layout...