== sanity test 184c: Concurrent write and layout swap ==== 17:22:17 (1767738137) 21+0 records in 21+0 records out 22020096 bytes (22 MB, 21 MiB) copied, 1.36848 s, 16.1 MB/s 42+0 records in 42+0 records out 44040192 bytes (44 MB, 42 MiB) copied, 2.79421 s, 15.8 MB/s ref file size: ref1(22020096), ref2(44040192) 1344+0 records in 1344+0 records out 22020096 bytes (22 MB, 21 MiB) copied, 2.34795 s, 9.4 MB/s Copied 1212416 bytes before swapping layout...